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Root methods for rooting the Nexus 7 have no doubt existed for quite some time, and the most popular root tools for Samsung devices – CF-Auto-Root – by developer Chainfire can now be added to the list, as it has now been released for the Nexus 7. CF-Auto-Root, like the name suggests, roots the device automatically and doesn’t require much work on the user’s part.

CF-Auto-Root supports both the Wi-Fi-only and 3G-enabled Nexus 7, and the procedure to use CF-Auto-Root is detailed in the guide below. Keep in mind that while the procedure is completely safe, it will wipe all data on your Nexus 7 as rooting requires its bootloader to be unlocked, so you will need to backup all your important files and apps.

So if you have a Nexus 7 and are looking to root it, continue reading for the step-by-step guide on how to do that.


This guide is applicable only for the ASUS/Google Nexus 7. Do not try this on any other device.


The methods and procedures discussed here are considered risky and you should not attempt anything if you don’t know completely what it is. If any damage occurs to your device, we won’t be held liable.

How to Root Nexus 7 with CF-Auto-Root

NOTE: If your tablet’s bootloader is already unlocked, no data will be wiped and you can skip backup of data.

Download and install the Android SDK → from here. This will install the necessary drivers for the tablet on your computer. Remember that even though your Nexus 7′s storage shows up on the computer when you connect it, the Android SDK drivers are separate and are required for the rooting process.

Download the CF-Auto-Root package from the source page.

Extract the contents of the CF-Auto-Root file to a convenient location on your computer.

Turn off your Nexus 7. Then, boot into fastboot mode by holding down the Volume down and Powerbuttons together till the screen turns on and shows “Start” written in big green letters.

Then, connect your Nexus 7 to the computer with your USB cable, then wait for Windows to finish installing the drivers (drivers will be installed only the first time). For reliability, ensure that you use a USB port at the back if you are using a desktop computer, as the front panel ports can be loose and cause problems.

Before proceeding, make sure you took a backup as explained in step 1. Then, press any key to start the rooting procedure.

At one point, the tablet will reboot and show a red Android logo while it is being rooted. Once the procedure is complete, the tablet will boot up normally and if you didn’t have an unlocked bootloader before rooting, all data would have been wiped.

NOTE: After rooting, check in your tablet whether an app named “SuperSU” is installed, which is the app that allows you to grant root access to any app that asks for root. If the app isn’t visible in your device’s apps list, then it was probably not installed during the rooting procedure. In that case, simply install SuperSU from the Play Store yourself.

Your Nexus 7 is now rooted, and you can proceed to using root-enabled apps on your favourite 7-inch tablet. Have fun, and don’t forget to let us know how CF-Auto-Root works for you.

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Root Samsung Galaxy Note 10.1 2014 Wifi P600 With Cf Auto Root Tool


Warranty may be void of your device if you follow the procedures given on this page.

You only are responsible for your device. We won’t be liable if any damage occurs to your device and/or its components.


Before you begin with the instructions below, make sure your android device is adequately charged — at least 50% battery of the device.


Do not use the procedures discussed here on any other device of Samsung or any other company. This is not for any other variant of NOTE 10.1 either, so don’t try this on SM-P601 or SM-P605. You have been warned!


Back up important data and stuff before you start playing around here as there are chances you might lose your apps and app-data (app settings, game progress, etc.), and in rare case, files on the internal memory, too.

For help on Backup and Restore, check out our exclusive page on that linked right below.



You must have proper and working driver installed on your windows computer to be able to successfully root your Samsung Galaxy NOTE 10.1.

In case you’re not sure, follow the link below for a definitive guide for installing driver for your Samsung device on your computer.




Download the CF Auto Root file given below and transfer it to a separate folder on your computer (just to keep things tidy, that is).


Important Note: Backup important files stored on internal SD card of your device, so that in case a situation arises requiring you to do a factory reset after flashing the CF Auto Root, which might delete internal sd card too, your files will remain safe on PC.

Extract/Unzip the CF-Auto-Root file, on your computer (using 7-zip free software, preferably). You’ll get the following files:




Disconnect the Galaxy NOTE 10.1 from PC if it is connected.

Boot your Galaxy NOTE 10.1 WIFI into Download Mode:

Power off your phone first and wait for 6-7 seconds after display is off.

Press and hold these 3 buttons together until you see Warning! screen: Volume Down + Power.

Press Volume Up now to continue to Download Mode.

Connect your Galaxy NOTE 10.1 to PC. Odin window will show an Added!! message in bottom left box. If you don’t get the Added! message, here are some troubleshooting tips:

Make sure you have installed driver for Galaxy NOTE 10.1 as said above in ‘Before you begin..’ section.

If you have already installed driver, then uninstall them and reinstall back.

Connect using a different USB port on your PC.

Try a different USB cable. The original cable that came with your phone should work best, if not, try any other cable that’s new and of good quality.

Reboot phone and PC and then try again.

Load the firmware file (extracted in Step 1) into Odin as instructed below:

Now in the Option section of Odin, make sure that Re-Partition box is unchecked. (Auto Reboot and F. Reset Time boxes remain checked, while all other boxes remain unchecked.)

Double check the above two steps.

When you get PASS! message, your device will restart automatically. You can then disconnect your phone from PC.

If you see FAIL message instead of the PASS in Odin’s top left box, that’s a problem. Try this now: disconnect your Galaxy NOTE 10.1 from PC, close Odin, remove phone’s battery and put it back inside in 3-4 seconds, open Odin and then repeat from Step 2 of this guide again.

Also, If device is Stuck at setup connection or on any other process, then too, try this: disconnect your Galaxy NOTE 10.1 from PC, close Odin, remove phone’s battery and put it back inside in 3-4 seconds, open Odin and then repeat from Step 2 of this guide again.

NOTE: It may happen that your phone doesn’t automatically boot into recovery and root your phone. In that case follow the following above procedure except that in Step 7, Auto Reboot option is un-checked and then the instructions below:

Pull out the battery and re-insert it.

Boot your Samsung Galaxy NOTE 10.1 into Recovery Mode: Press and hold these 3 buttons together: Volume Up + Power + Home.

Now, this will start the rooting process and will reboot the phone automatically when the process is done.


It was easy to root your Galaxy NOTE 10.1 WIFI P600 with CF Auto Root Tool, right?  Let us know how you plan to use root privileges on your Galaxy NOTE 10.1.

Your suggestions and queries, if any, are most welcomed!

Nexus 7 Vs Nexus 9 Comparison

Our Verdict

The Nexus 9 is undoubtedly better than the Nexus 7 with a more powerful 64-bit processor, better cameras and front facing stereo speakers. The screen is bigger too but there’s a drop in pixel density and an increase in price. Stand by for an update once we get our hands on the Nexus 9.

As expected, Google has announced the Nexus 9 with  Android 5.0 Lollipop and you’re probably wanting to know what different compared with the Nexus 7. Read our Nexus 7 vs Nexus 9 comparison to find out. Also see: Best tablets and Best Android tablets.

Before we get into the comparison, it’s worth pointing out that we’re comparing the new Nexus 9 with the Nexus 7 (2013) and not the original from 2012. Google also announced the  Nexus 6 and the Nexus Player.

The Nexus 9 is available to pre-order now for release on 3 November. Meanwhile, the Nexus 7 has been removed from the Google Play store but you should be able to find it at other retailers while stocks last.

The Nexus 7 costs £199 or £239 officially but now the Nexus 9 is here you can find it for less. For example, Amazon has it for £165. You’ll have to pay a bit more for the Nexus 9 as it starts at £319 and jumps to £399 for the higher capacity. if you want 4G LTE you’ll have to stump up £459.

Nexus 7 vs Nexus 9 comparison: Design

Although Asus made both versions of the Nexus 7 and HTC has built the Nexus 9, the two look quite similar in design.

The Nexus 9 is easily recognisable as a Nexus device and has a brushed metal frame running around the edge. The rear cover remains soft grip plastic and while the Nexus 7 was available in black and white, the Nexus 9 comes in a new beige/sand colour.

It’s a bigger tablet because of the screen (see below) but is a little thinner at 7.95 mm compared to 8.65 mm. It’s understandably heavier at 425 g which is up from 290 g.

Nexus 7 vs Nexus 9 comparison: Hardware


The jump is screen size is a major difference here and Google has gone from 7in to 8.9in so effectively a gain of 2in as the product names suggest. The aspect ratio moves from 16:9 to 4:3 matching the iPad range.

Resolution has gone from 1920 x 1200 to 2048 x 1536 but the screen size means that the pixel density actually drops a bit from 323ppi to 281ppi. Both use an IPS LCD panel.


Another big change is the nVidia Tegra K1 processor found in the Nexus 9 which is a 2.3 GHz 64-bit dual-core Denver chip – a nice jump from the Nexus 7’s Qualcomm Snapdragon S4 Pro which is 1.5GHz quad-core.

Storage and wireless

Although the screen and processor are big changes, much of the Nexus 9’s specs remain the same including 2GB of RAM, 16- or 32GB of internal storage, no microSD card slot, NFC, optional 4G LTE and GPS.

Google has also fitted then Nexus 9 with a magnetometer for detecting magnetic cases.


Although we’re not too bothered about cameras on tablets this is an area with upgrades on the Nexus 9 with an 8Mp rear camera which is accompanied by an LED flash. That’s better than the Nexus 7’s 5Mp main camera with no flash. Video recording remains at up to 1080p.

At the front, things have jumped from 1.2Mp to 1.6Mp. Both of the Nexus 9 cameras use an f/2.4 aperture.

Battery life

The Nexus 7 has a 3,950 mAH battery and wireless charging and although there’s no mention of wireless charging on the Nexus 9, it has a 6700 mAh battery.

Google’s figures tout up to nine hours of video playback on the Nexus 7 and the Nexus 9 will do an extra half an hour. However, it will supposedly only cope with 9.5 hours of web browsing while the Nexus 7 can manage 10.

Nexus 7 vs Nexus 9 comparison: Software

There’s really no difference in software as although the nexus 9 will ship with Android 5.0 Lollipop, the Nexus 7 will get updated to the latest version. The only real difference is that the Nexus 9 will make full use of it with the 64-bit processor.

Specs Google Nexus 9: Specs

Android 5.0 Lollipop

8.9in IPS LCD (2048 x 1536)

nVidia Tegra K1 2.3GHz 64-bit


16/32GB storage

11ac dual-band Wi-Fi (2×2 MIMO)

Bluetooth 4.1



optional 4G LTE

HTC BoomSound stereo speakers

8Mp rear camera with LED flash

1.6Mp front camera

6700mAh battery




Dell Venue 7 And 8 Aim To Undercut Nexus 7 With Intel Innards

Dell Venue 7 and 8 aim to undercut Nexus 7 with Intel innards

With a gush of product releases this week the folks at Dell have come with more than just Windows – they’ve got a set of Dell Venue tablets running Android as well. Here we’re seeing the Dell 7 come with a 7-inch display while the Venue 8 works with work with an 8-inch screen, both of them fully touch-enabled and both of them appearing with optional 4G connectivity. What’s key with these releases for the company is making certain they’ll be able to compete with the most popular tablet on the market today – the Nexus 7 from Google.

Dell has not be particularly successful with Android tablets recently – mostly because they’ve not released an Android tablet on a massive scale for a very, very long time. Here with the Dell Venue 8 and 7 though, they may be setting themselves up for a quick victory. Supposing the market is in the mood for yet another Android tablet in the first place, that is.

The Dell Venue 7 will go into battle direct with the Nexus 7 with a price that’s more than just a little competitive: $149 USD. At that price, it’s likely Dell is aiming for those users who wish to use their slate for web browsing and basic social networking. We’ve yet to see if this machine can live up to the hype included with the processor power under the hood of the Nexus 7.

Inside the Dell Venue 7 you’ll get a 1280 x 800 pixel IPS LCD display with a 1.6GHz Intel Atom Z2560 Clover Trail+ dual-core processor. Alongside this Intel SoC you’ll find 2GB of RAM and 16GB of internal storage – and there’s a microSD card slot too for an additional 32GB of space. This machine also works with a 3-megapixel camera on its back, a VGA camera up front, and a single microUSB port for power and PC connectivity. This device will go on sale starting on October 18th, 2013.

The Dell Venue 8 will come in at a rather surprisingly low price as well: $179 USD. At that price, this 8-inch tablet will also go into competition with the least expensive tablets on the market. Dell may just be aiming for the likes of users who would otherwise seek discounted tablets from previous generations – why buy an old model for that price when you could have a new one now?

The 8-inch Dell Venue machine will work with a 1280 x 800 pixel IPS LCD display also sporting Intel Atom insides. This unit works with a 2GHz Intel Atom Z2580 Clover Trail+ dual-core processor with a 2-megapixel camera up front and a 5-megapixel camera on its back. Inside you’ll also find 2GB of RAM, a microSD card slot alongside 16GB of internal storage, and the whole lot gets Android 4.2.2 Jelly Bean right out of the box.

Replace Odd Numbers With Square Root Even Numbers With Square In Java

In Java, Array is an object. It is a non-primitive data type which stores values of similar data type.

As per the problem statement we have to replace odd numbers by its square root and all even numbers by its square in the given array. A number is said to be an even number if it is divisible by 2 else it is called an odd number.

Let’s explore the article to see how it can be done by using Java programming language.

To Show You Some Instances Instance-1 Suppose the original array is {49, 9, 12, 6, 64, 81, 22}. After finding odd numbers by its square root and all even numbers by its square: Original array is: [7, 3, 144, 36, 4096, 9, 484] Even numbers with their square in the given array are: 12 -- 144 6 -- 36 64 -- 4096 22 -- 484 Odd numbers with their square root in the given array are: 49 -- 7 9 -- 3 81 -- 9 Instance-2 Suppose the original array is {51, 19, 22, 61, 4, 8, 32} After finding odd numbers by its square root and all even numbers by its square: Original array is: [7, 4, 484, 7, 16, 64, 1024] (Here we have typecast double value to int value) Even numbers with their square in the given array are: 22 -- 484.0 4 -- 16.0 8 -- 64.0 32 -- 1024.0 Odd numbers with their square root in the given array are: 51 -- 7.14142842854285 19 -- 4.358898943540674 61 -- 7.810249675906654 Algorithm

Step 1 − Declare and initialize an integer array.

Step 2 − Find the even element by “arr[i]%2 == 0” and it’s square by “Math.pow(arr[i],2)”.

Step 3 − Find the odd element by “arr[i]%2 != 0” and it’s square by “Math.sqrt(arr[i])”.

Step 4 − Print the elements of the array.


To get the length of an array (number of elements in that array), there is an inbuilt property of array i.e length

Below refers to the syntax of it −


where, ‘array’ refers to the array reference.

To get the square root of a number we have inbuilt sqrt() method in the Math class of chúng tôi package.

Following is the syntax to get square root of any number by using the method

double squareRoot = Math.sqrt(input_vale)

Similarly, to get the power of any number raised to the power of another number in Java we have inbuilt java.lang.Math.pow() method.

Following is the syntax to get power of 2 by using the method −

double power = chúng tôi (inputValue,2) Multiple Approaches

We have provided the solution in different approaches.

By Using Static Initialization of Array

By Using User Defined Method

Let’s see the program along with its output one by one.

Approach-1: By Using Static Initialization of Array

In this approach, array elements will be initialized in the program. Then as per the algorithm replace odd numbers by its square root and all even numbers by its square of the array.

Example import java.util.*; public class Main { public static void main(String args[]) { int[] arr = { 49, 9, 12, 6, 64, 81, 22 }; System.out.println("Original array is: " + Arrays.toString(arr)); for (int i=0; i<arr.length; i++){ if(arr[i]%2 == 0) { arr[i] = (int)Math.pow(arr[i],2); } else { arr[i] = (int)Math.sqrt(arr[i]); } } System.out.println("Updated array is: "+ Arrays.toString(arr)); } } Output Original array is: [49, 9, 12, 6, 64, 81, 22] Updated array is: [7, 3, 144, 36, 4096, 9, 484] Approach-2: By Using User Defined Method

In this approach, array elements will be initialized in the program. Then call a user-defined method by passing the array as parameter and inside method as per the algorithm t replace odd numbers by its square root and all even numbers by its square of the array.

Example import java.util.*; public class Main { public static void main(String args[]) { int[] arr = { 49, 9, 12, 6, 64, 81, 22 }; replace(arr); } public static void replace(int []arr) { System.out.println("Original array is: " + Arrays.toString(arr)); for (int i=0; i<arr.length; i++) { if(arr[i]%2 == 0) { arr[i] = (int)Math.pow(arr[i],2); } else { arr[i] = (int)Math.sqrt(arr[i]); } } System.out.println("Updated array is: "+ Arrays.toString(arr)); } } Output Original array is: [49, 9, 12, 6, 64, 81, 22] Updated array is: [7, 3, 144, 36, 4096, 9, 484]

In this article, we explored different approaches to replace odd numbers by its square root and even numbers by its square in an array by using Java programming language.

Nexus 7 Refresh Tipped For Summer; How It Differs From The Original

Nexus 7 refresh tipped for summer; how it differs from the original

The original Google Nexus 7 tablet (as manufactured by ASUS) has been tipped to be getting a refresh with new hardware and a launch time around June or July. This updated piece of equipment would, if this set of predictions turns true, have the tablet ready to be re-introduced at Google I/O 2013, the company’s developer conference. This conference begins next week, starting on Wednesday the 15th of May, ending Friday.

It was just one year ago that Google I/O 2012 revealed the Google Nexus 7 originally, giving it there to every developer attendee so that they might develop games and apps for the device with ease. That original Google Nexus 7 remains on sale today with the specifications it came with in the first place.

The original Google Nexus 7 worked with a 7-inch IPS LCD display at 1280 x 800 pixel resolution, that ending up bringing on a 216 PPI screen density. This device was 198.5 x 120 x 10.45 mm large and was released in both wifi-only and 3G-capable iterations, having Bluetooth, NFC, and GPS inside. The original Nexus 7 worked with 8GB of internal storage – this was quickly upgraded to 16GB of internal storage in the smallest, standard model, while another 32GB internal storage iteration was released as well.

Perhaps most important of all, this original Nexus 7 was – before it was scooped up by Google – an ASUS/NVIDIA collaboration. As a low-cost quad-core processor-toting tablet, NVIDIA had it announced at CES 2012 with ASUS without a formal release date. This device was quickly spotted by Google and brought on as an exclusive release under the company’s Nexus brand. Fun fact: we also predicted this collaboration – albeit with the wrong price attached.

This ASUS Eee Pad MeMO was announced with NVIDIA’s own Tegra 3 quad-core processor inside and continued to carry that processor through to its re-naming as the Google Nexus 7. In an analyst report with 9to5Google by Mingchi Kuo from KGI securities today, the new Google 7 tablet will be bringing with it a quad-core Qualcomm processor.

The processor this new Nexus 7 is tipped to bring with it is the same APQ8064 Qualcomm Snapdragon S4 Pro processor carried by the Google Nexus 4, the current hero smartphone for Google (manufactured by LG). This would be a relatively major blow to NVIDIA as the Nexus 7 allowed their chipset to reach a relatively large cross-section of users over the past year.

This new Nexus 7 would be manufactured by ASUS as the first iteration was and will have 7-inch LTPS display with 1920 x 1200 pixel resolution. That puts the density of this display at 323 PPI, far greater than the original device. This new Nexus 7 is also suggested to be coming with a thinner bezel than before, Qi standard wireless charging, and a back-facing camera sitting at 5-megapixels strong.

We’ll know one way or the other next week – if Google is aiming to re-introduce the Nexus 7 with new specifications for this year, Google I/O 2013 is the ideal place to do it. Stick with SlashGear in our Google I/O portal for more information on the event and head to our Facebook event page to sign up to remind yourself to join us!

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