Block Factory Reset on TCL Flip 2

[kosherboy]

This may be clearer:

How to Install eGate on TCL Flip 2

You need to be careful when buying TCL Flip 2 devices off of eBay or amazon. Stick to tracphone branded phones, and avoid the Total by Verizon ones. These Total by Verizon phones may not be able to be activated, since the IMEI numbers are locked unless scanned at a retail store. You need the adb and fastboot programs installed on your computer. Using ADB and fastboot | LineageOS Wiki is a good guide on how to install them. Download Android Utility: androidutility.com - androidutility Resou…

(I think this is what your looking for).