Look at this
Quote:
Originally Posted by HUM  This phone have PM308 protected, SD security in not restorable.
This is SL3 phone(Simlock2 format).
- Avoid SW Downgrade & manual erase to this phone !
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Its sl3 firmware 5310 RM-303 - (MCU SW 58.58 Or MCU SW 59.42)
if you downgrade it.its IMEI become 1234?also PM demage and its become on Contact Service.
U need to write back its orignal firmware for restoring your imei.