We
also suggest that your battery should be atleast 50% or better to
have it fully charge, lower than the said value may cause unwanted
result, such as bricking your phone / tablet rendering it unuseable.
This is very important in flashing your phone / tablet. Use original
USB cable as possible.
Files
that you downloaded should not be corrupted, if ever the file is
corrupted you might brick your phone. Or the flashing will start.
Drivers
are very important specially in Spreadtrum Chipset, having an
Spreadtrum SPD6610 (non android devices) driver will not work in
SPD6820 (android devices).
If
you are using laptop to flash your phone, make your that it has
enough charge. If your laptop shutdown when your flashing your
phone/tablet, you'll end up bricking your phone. Sometimes you can
still recover your phone just flash it again and your phone will boot
up again. But that is just a case to case basis, if your phone /
tablet is deadboot (totally dead, erased all program in the
chip) you can't recover it, you will need to seek professional help
(technician).
In this tutorial I will teach you how to hard reset your Nokia Lumia 521. This can also fix the cog wheel of death, blue screen of death. Hard reset combination works in other Windows Phone 8 devices. This hard reset procedure work's in Nokia Lumia 525.
OK Let's proceed follow the instruction bollow
1. Turn the power Off.
2. Press and hold the Volume down and connect the charger or the USB cable with PC, for about 8 seconds, you will see an exclamation mark (!) on the screen. Note: If you do not press any of the following keys, then the phone wp8 will starts boot normally.
Then press the keys in this exact order:
1. Volume up
2. Volume down
3. Power
4. Volume down
Then wait until the phone reboot. Just be patient. It takes about 2-3 minutes until it reboot into normal state.
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