Hi All,01 - Boot in TWRP, Wipe >> Advanced Wipe, select:
* Dalvik / Art Cache
* Cache
* System
* Data
>> Swipe To Wipe
02 - flash Z2121_CN_OPEN_USER_Q01080.2_N_ZUI_3.1.218_ST_171228_TO_Z2121_CN_OPEN_USER_Q00030.1_O_ZUI_3.5.388_ST_180525.zip
03 - reboot
04 - Boot in TWRP >> flash twrp-3.3.1-0-z2_row.img
05 - reboot
06 - flash Radio Modem Full Version 4.0.247ST
07 - flash vendor2factory_z2_row
08 - in TWRP, Wipe >> Advanced Wipe, select:
* Dalvik / Art Cache
* Cache
* System
* Data
>> Swipe To Wipe
09 - TWRP >> Install >> Arrow-v10.0-z2_row-OFFICIAL-20200216-VANILLA.zip
10 TWRP >> Install >> Arrow-v10.0-z2_row-OFFICIAL-20200209-GAPPS.zip
11 - Click on >> Wipe cache/dalvik >> Restart System
I do not remember any more but if we make a wipe data we no longer have the Rom that we previously transferred to the phone?
Thank for reply