Nokia-Lumia-1520-Hard-Reset-100-ok

• Turn your Lumia 1520 off.
• Press Volume DOWN and keep pressing it while you connect the charger until you see an exclamation mark!.
• Press - in this order - Volume UP - Volume DOWN - POWER - VOLUME DOWN.
• Your phone will reset and reboot. Pls be patient during the reset process.
• Try another method
• On the Start screen, tap wp phone arrow.
• Tap Settings > about phone.
• Tap reset your phone, and then tap yes.
• Power ON handset and dial *#7370# and enter security code.
• Default security code for Nokia is "12345"
• This method work 100%