Ofcource you can change the flash IC, and phone would bootup, but it would not get pass the watchdog cause the RAPid not match the one in flashic. Nokia 6300 = BB5, there are none known holes (solutions) to do this. So following your response, where would the handset look for the IMEI if you entered *#06#? And which source would it read from to present to the network on powering on with active SIM etc.?ĭo I assume from what you've said that if the IMEI in the OTP and the FLASH IC are not the same that the handset would not start up correctly?Ĭouldn't the OTP and FLASH IC both be removed and replaced to a new board theoretically speaking and this would bypass any digital signature issues? If you change flash IC you must ask nokia to make a new signature for te flash, they check in their database if imei 123456789012345 match to RAPID you request, if it not matches -> you get no signature = no working phone. So if you change RAP, it will never work (flash sign is based on old ID, and currently no weakness to make such sign yourself)
Bb5 imei repair tool serial number#
BB5 has a RAPid, its like processor serial number inside the silecon from the processor (so cannot be changed) Flash IC gets a digital signature wich MUST match RAPid. You can change the UEM, recalculate the checksums and signature in flash, and you are done (from other phone, or simply use new UEM) DCT4, has UEM and flash IC inside the UEM is 1 time program. Raoul, are you saying all Nokias or just some of the Nokia range? Nokia for example has the imei stored in 2 places, in OTP (one time program) erea and in FLASH ic (firmware) changing the chip will not work, you would need to recalculate and digitally sign it.
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