Q: How to roll back to 8 android / last firmware / return to the factory state? A: According to one of the instructions:
1.
Return to the factory state (the loader is blocked, stock recovery and stock firmware)2.
Method without a log of bootloader, unlock, TWRP installations, etc.3.
METHOD WITH LOCK LOCK4. If there is TWRP, then you can make wipes / System, / Data, / Cache, Dalvik / Cache and then
according to the instructions (But I still recommend to flash service (1-3))Q: What are the phone versions? A: There is ZB601KL (Indian version) and ZB602KL (international version)
Q: What is the difference between zb601kl from zb602kl? A:
ZB601KL: Associate NFC.
Main chamber 16 + 5mm, frontal 16pm
RAM: 3/4 / 6GB
ZB602KL: There is NFC.
Main chamber 13 + 5MP, front 8m
RAM: 3 / 4GB
There is a version of 6GB RAM, there is a chamber 16 + 5mm, front 8mm, missing NFC, no matter how paradoxically it was
By the way, an interesting post about the models of our phoneQ: Does the QC 3.0 support support? A: No. Maximum limit - 2a. So use the charger supplied with the device
Q: Why all the air update arrived, but I do not ?? A: Updates are not distributed immediately, but over time. You have two options:
1. Wait, when OTA appears or full firmware on the office. site and update manually
2. Wait for air updates
Q: How to update manually? A: Download the archive of the last firmware ->Throw to the root of the phone / SD card ->Reboot, the curtain will notify the update available ->update
Q: Is it expected on the Android 10 device? A: Yes
Q: How to restore the operation of NFC and GPAY after installing the root / brick? A: If you have not yet installed the root, it is better not to put it so that there are no problems with NFC and GPAY. You can restore in the following ways:
1.
Discussion of the topic in the profile2.
NFC recovery after brick3. Put the firmware with the working NFC from the adjacent topic
Q: How to make call recording worked on Android 9? A:
Need root. Make an application for recording calls by system and issue the rights of the letter "g". Adequately write on 9k will not be, but as an option, you can try.
Method with adequate entry (root) Q: How to update the firmware after the unlock of the bootloader? [for newbies] A: 1. If in the header there is the last of. Firmware for TWRP with chosen decrypt (pre-decrypted), then download it and the latest version of TWRP
from here. Come in TWRP, put recovery ->Reboot in TWRP ->Usnovka Pross ->Reboot the system.
2.
Here in this wayIf there is no last of. firmware with sewn decrypt (which is likely probably but still)