Erasing Modem Version (will this work) - GSM-Forum

Phantom · 07-01-2011, 05:17

Hi,

I've been in the cellular market for a very very long time and thought of a trick method which we used to clone Motorola ETACS phones back in the mid 90's. Not sure if this method would work for Apple basebands, so if the gurus here can help see if it works.

Baseband versions can only go up, and not down. So if we create our own version (If that is even possible) say like hex FF FF FF for the version, which is suppose to be even higher than out 06.15.00, that would automatically cause the modem IC to be blank, and thus allowing the user to re-write any versions back into the modem IC.

What do you say?

eivelice · 07-01-2011, 05:45

baseband ic i think is more sensitive than those of motorola's power ic (if i remember it correctly that is where we would fine serial number that holds the signal)

if we accidentally destroy baseband ic, that would cost a fortune to repair. so i guess it might be better if we could back up baseband or modem firmware and successfully return it back if we broke the baseband chip.

this was thru my intuition only, not entirely from technical details.

dest · 07-01-2011, 06:02

I thought about it but I don't think its that easy. My idea was to create another baseband(ie 6.16) which is the same as 5.13 and flash it.

07-01-2011, 05:17	#1 (permalink)
Phantom No Life Poster Join Date: Mar 2000 Location: next to you ; ) Posts: 728 Member: 1133 Status: Online Thanks: 58 Thanked 42 Times in 19 Posts	Erasing Modem Version (will this work) Hi, I've been in the cellular market for a very very long time and thought of a trick method which we used to clone Motorola ETACS phones back in the mid 90's. Not sure if this method would work for Apple basebands, so if the gurus here can help see if it works. Baseband versions can only go up, and not down. So if we create our own version (If that is even possible) say like hex FF FF FF for the version, which is suppose to be even higher than out 06.15.00, that would automatically cause the modem IC to be blank, and thus allowing the user to re-write any versions back into the modem IC. What do you say?

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07-01-2011, 05:45	#2 (permalink)
eivelice Freak Poster Join Date: Nov 2006 Location: philippines Age: 31 Posts: 422 Member: 388962 Status: Offline Sonork: 100.1637202 Thanks: 338 Thanked 142 Times in 73 Posts	baseband ic i think is more sensitive than those of motorola's power ic (if i remember it correctly that is where we would fine serial number that holds the signal) if we accidentally destroy baseband ic, that would cost a fortune to repair. so i guess it might be better if we could back up baseband or modem firmware and successfully return it back if we broke the baseband chip. this was thru my intuition only, not entirely from technical details.

07-01-2011, 06:02	#3 (permalink)
dest No Life Poster Join Date: Jun 2004 Age: 28 Posts: 986 Member: 67927 Status: Offline Thanks: 8 Thanked 32 Times in 24 Posts	I thought about it but I don't think its that easy. My idea was to create another baseband(ie 6.16) which is the same as 5.13 and flash it.