Test with "install button unlocker" app in the play store
It worked thanks for helping..
Did gapps survive the dirty flash or you had to flash again?
No need to reflash gapps ..they're working just fine ...
Can we dirty flash it over previous build?
Yep you can 😎😎
What is VoLTE mean?
Volte is really big bird which was very dangerous for XDA until firelord made it XDA friendly.. ....BTW you can google these kind small silly thing ...broohh😗😗
What do you mean with 'dirty flash'? Is that flashing without formatting?
Yep just flash the new zip file from twrp without formatting anything and reboot the system 😇😇