system/bin/sh = 0 bytes, exec format error, cannot root, cannot use adb shell...

[Jchv]

A have a big trouble, I tried to install app2sd on my ex rooted phone. And I change the busybox of the system. But I cannot restore sh_Bak or rename it a sh, becouse i dont have rooted my phone, but why? A have rooted my phone before.

Any update.Zip or image recovery? Or any solution?

 

[xaueious]

Take a firmware package from here and follow instructions included to flash
http://www.androidtablets.net/forum...7-official-firmware-releases-discussions.html

Try to match it with the variant you have

 

[Jchv]

Tanks, but I dont Find my firmware : S7V100R001C29B010 , Im found S7V100R001C29B015 and tried to use the upgrade tool of huawei:

First:

Step 2:

and dont show anymore!
Im hit the scan and && download button but nothing happend,

I have the drives:

Please help!

 

[Jchv]

Problem Solved, Flashing the phone, tanks