2.- Total Reset or Hard Reset for nokia X1-01
This option restores the original operating system from the ROM.Formats the C: partition and deletes all data including the memorycard. Key Code *#7370# (click this combination of keys on the keyboardin the mobile)
You can also achieve Total Reset by pressing and holding down following keys:* + 3 + Green Button (call) immediately after turning the mobile on.
Important: To proceed to reset, the battery must be full and themobile device connected to the charger. If during the course of reset,the mobile stop receiving electricity it can ruin the internal flashmemory of the mobile device and stop function.