DESCRIPTION

The phone have 2  revision of firmware. In my practik was version VF_PT_P817E53V1.0.0B13_DL, on revision PV_ZTE_VDF_P817E53V1.0.0B07 i have rainbow on lcd.

If you have phone stacked on logo do this:

1.Update firmware in 9008 mode(than you have worked recovery)

2.Write Update.zip to flash card(any, more than 2gb), and flash firmware from recovery menu(Update from sd)

3.Wipe data from recovery menu.

Profit!

※Please make a backup of your device before installing or updating ROM