1. Try a different sim. 2. Try a sim from a different carrier. You need to check of it's because carrier or phone.
Try 3.0.2 working for me. Otherwise try cm stock recovery
Flash a different version of twrp from fastboot
You don't lose data when you root. You lose data when you unlock the bootloader.
So if your bootloader is already unlocked, you will not lose data...
Connected a mouse through the phone USB port so you can now control the phone without the screen.
Then, install an app like "WiFi file transfer" and...
He will wipe and install new ROM and only then switch on android system
It installed OK on mine.
I run Lineage is, android 7.1
Your sense of entitlement is astonishing.
They did as they said on the box. 2 year support.
Wow. Great work!
Go to twrp, touch advanced, touch terminal, in the terminal write: reboot bootloader.
Yes. You can install official signed firmware this way ( the zip that is flashed from recovery).
However, it is too strange you don't have fastboot...
Strange poll question. Of course it's not dead. Heck, gingerbread is still alive :))
Try to flash original firmware from fastboot. If phone works, hw is ok
There is an app called no root firewall. Best solution in my mind