NEXUS7 Manual Brush System after upgrade failure

http://bbs.gfan.com/android-6934570-1-1.htmlThe steps are as follows:


1. Download the Android System file and open the official address: Https://developers.google.com/android/nexus/images#nakasi
Find the corresponding system, click the Link button to download, on the WiFi version, the next 3G.
take 4.3 as an example, download down is a nakasi-jwr66y....tar file, first extract out a single file, and then continue to extract until the discovery boot.img, Recovery.img, System.img, userdata.img These several files, here note to decompress multiple times .
2. Download and unzip the brush tool N7 fastboot tools into a folder, download the tool here http://pan.baidu.com/share/link?shareid=361381&uk= 3792852243

3. from The package downloaded in step 1, extract the boot.img, recovery.img, system.img put in and FastBoot Tools same folder, same level directory .


4. Long Press"Power Key+Volume down key"StartNexus 7Enterbootloadermode, stay in the upper right corner with textSTARTthe page without any action .


5. the data cable is connected to the computer andN7, run windowof theCMDCommand, the command line state enters theFastBoot Toolsfolder, enter:FastBoot Devices, the number is checked and the device driver is OK and connected.
after that, enter the following sequence:

fastboot Flash boot boot.img
FastBoot Flash Recovery recovery.img
FastBoot Erase System
FastBoot Flash system system.img
The first three steps are fast, less than1 minutes. The last step is longer, wait patiently, 5-10 minutes or so.


6.CMD after the command line shows that the items are successful , press the Power key to restart the machine. The first time loading longer please wait patiently.
After testing, it is effective to update 4.4 manually using the same method .
reference post:http://bbs.gfan.com/android-6932939-1-1.html

NEXUS7 Manual Brush System after upgrade failure