Before performing a hard reset, please note that:
Resetting your TECNO T528 is a straightforward process that can breathe new life into an old or buggy device. Whether you use the secret dialer code or the settings menu, ensure you have backed up your contacts first. How To Hard Reset TECNO T528
Perform Method 2 again. If it still fails, remove the battery and SIM card. Wait 5 minutes. Insert only the battery and try the hardware key reset again. A corrupted SIM card can sometimes cause boot loops. Before performing a hard reset, please note that: