Lightbulb Root for A7

Found root methods:

Detailed Method for Rooting A7 (Credit: phamminh05)

Step 1:
Download the ROM from the following link: http://www.mediafire.com/?q2l05s73iz4qedv

Step 2:
Copy the downloaded update.zip file to the root of the memory card and then insert the memory card into the phone.

Step 3:
Power off the phone (note the battery should be kept above 50%) press and hold up the volume + key sources


Continue holding


Until the recovery screen appears red, then let go


Step 4:
Select apply update from sdcard (in the recovery screen, use the volume key up to move up and down, press and hold the power key to select)


Step 5:
Select the file update.zip


Wait till your ROM file gets installed


The machine has completed installing ROM file


Step 6: Select Reboot now


Update.zip method :

http://translate.googleusercontent.c...taeMUHndwRwx8Q

Z4Root Method:
http://translate.googleusercontent.c...JtOaOBbqINBPDw