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Root I need a little help

So i let my son use my phone and a update system message appeared, so he updated the phone not knowing the phone was rooted.... Now the phone is stuck on the boot screen and i can only get to ftm mode.... I do have a backup stored on the sd card..... Can this be fixed and if so how, any help and ideas would be greatly appreciated....
 
This is what I did

you need

ZTE usb drivers http://goo.gl/eEzXnR

ADB minimal tools http://forum.xda-developers.com/showthread.php?t=2317790

KINGO Root 1.4.0 desktop version (google it)

TWRP 2.8.6 by hroark13 http://androidforums.com/threads/zte-zmax-twrp-new-version-2-8-6-0.918537/



Extract/unzip zmax_twrpv286.img from the twrp.apk and rename to recovery.img

Copy recovery.img to where you extracted the adb minimal tools folder, usually programs (usually C:\program files (x86)\minimal adb and fastboot

Shift + right click on the folder and “ open command window here”

Then type

adb devices
adb shell
su

if you still have root you should see $, if not proceed to install the KINGO Root 1.4.0 desktop version to root your phone again


once rooted type


adb devices
adb shell
su
adb push recovery.img /data/local/tmp/recovery.img
dd if=/data/local/tmp/recovery.img of=/dev/block/platform/msm_sdcc.1/by-name/recovery


if no errors

press Vol + and Power to enter recovery create a backup, then wipe cache and dalvik


thanks to

MTSOLUTIONS http://androidforums.com/threads/zte-zmax-4-4-4-metro-pcs-bricked-help.919275/page-2


And DroidisLINUX

http://forum.xda-developers.com/showpost.php?p=60946420&postcount=3065

check their posts, this is not a sure thing solution but it helped me unbrick my phone

hroark13

http://androidforums.com/threads/zte-zmax-twrp-new-version-2-8-6-0.918537/

and

Masterchief87 for their patience knowledge and hard work
 
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