A guide for a on the ZTE Blade A52 typically refers to installing a modified firmware version to bypass security restrictions (like FRP - Factory Reset Protection) or to remove bloatware and ads often found on the standard "MyOS" interface.
Tap . If a new version is available, tap Download . firmware zte blade a52 patched
In the SP Flash Tool, go to Options > General . Uncheck "Check LIB DA match" and "Check SUM". This allows the tool to flash the patched, non-signed firmware. A guide for a on the ZTE Blade
Late on a Tuesday, he found a link on a minimalist blog hosted in Eastern Europe. The file was labeled: ZTE_A52_V2.0_Patched_Flash_Tool_Ready.zip go to Options >