Background:
Installed TWRP recovery to downgrade to KitKat from Android ver 5.0.2 / COS 12.0 YNg1TAS17L
( I guess the changes in lollipop made me to do so).
But after installing TWRP, for some reason or other I did nothing and now the issue is the OTA are not getting installed. From other similar thread I know that we can download the OTA zip and install through TWRP and I am not looking to get into that…as I am giving this device to my family.
Help Required:
1) Is there a way to uninstall TWRP and go back to stock recovery without losing any data?
( Is it as simple as flashing recovery image from the Stock ROM?)
2) Using the OnePlus tool kit can we flash the stock ROM which will also restore the stock recovery?
(If so is it possible to flash the latest ROM 5.1.1 or CM12.1)
I just need guidance here with steps on what will be the best and safe approach without frying up my device.
Please suggest