[Help] Many iPhone 4 Cannot Activate After Changed Baseband! - Page 2 - GSM-Forum

**Wites OM Tesla** · 08-05-2012, 23:30

Quote:

Originally Posted by .::Rizwan::.

Yo can't change Baseband now,
now apple also starts Verify Serial Number with IMEI too.
it will not be activated untill you have Matching Serial+IMEI.

So this mean to factory unlock by hardware must change 3 chip from dead board Mass Memory Flash that contain serial,BB CPU and BB Flash that contain imei i m right then it will be activated?

unluckyman · 08-06-2012, 08:48

Quote:

Originally Posted by Wites

So this mean to factory unlock by hardware must change 3 chip from dead board Mass Memory Flash that contain serial,BB CPU and BB Flash that contain imei i m right then it will be activated?

No! 5 chip = CPU PDA. Change 3 chip restore erro 1601

ng_luong · 08-06-2012, 08:59

That's Right

........

**Wites OM Tesla** · 08-06-2012, 18:10

Quote:

Originally Posted by unluckyman

No! 5 chip = CPU PDA. Change 3 chip restore erro 1601

Did you try?`````````````

DRacula3011 · 08-07-2012, 09:38

Quote:

Originally Posted by unluckyman

No! 5 chip = CPU PDA. Change 3 chip restore erro 1601

let check file host on your PC.

unluckyman · 08-09-2012, 08:51

Chip CPU GSM = IMEI
Chip Mass Memory = Serial

Change chip PDA not change mass memory restore erro

air_chair256 · 08-09-2012, 13:01

i think the serial recorded in CPU(A4) and NAND Flash? if its right we should change bb cpu, bb flash, NAND Flash, CPU(A4) so its so hard work i dont think any one have enough time to do it only for activated one iphone

LastWay · 08-09-2012, 13:46

Serial Number in Nand
imei in BB and BB flash
so 3 chip need to change at the same time

100%

after change need to flash by itunes (because processor id is changed)

Elun Chen · 08-09-2012, 16:54

oh serial on hard disk need to change 3 chip but i changed 2 chip only bb cpu + bb flash not be change hard disk before working 100% but now beat repairer must change mass memory!
buy 2 bb chip lock at&t + unlock not buy hard disk
mean 2 bb chip move to recycle bin!

unluckyman · 08-09-2012, 17:40

Quote:

Originally Posted by LastWay

Serial Number in Nand
imei in BB and BB flash
so 3 chip need to change at the same time

100%

after change need to flash by itunes (because processor id is changed)

Are you sue? Tested...?

monkey1629 · 08-17-2012, 05:44

change cpu:8824 XG616 ,BB change 01.59 (****)

Quote:

Originally Posted by Elun Chen

I Have many iPhone 4 (4 Device) Broken BB Chip [No IMEI No BT No WF]
From Singapore and HongKong (ZP/ZA Use At Cambodia it is Unlocked) !

-But After Changed Baseband AT&T Unlocked Already! Working Normal Have IMEI WIFI Bluetooth But No Network!
-Check With iPhone Multi Checker Unlocked (Connect To iTune For Unlock)

-i Restore it to 5.1.1 after finish Activate it iTune Show There is a Problem with your Device Same Picture!
Attachment 287176
Note: The Baseband Chip i Unlock 1 month ago and have 3 Chip The Same This Cannot Activate!

-The BB Change Other iPhone 4 Broken BB 100% After Changed The Same!

-All BB Put To IPhone Check IMEI Become To Unlock (Connect To iTune For Unlock)

i want to know my 4 BB Unlocked not Cannot Use forever or?
Why Cannot Activate Also Activate With WIFI On iphone Show Device Unknown!
or Apple Disable it for Repairer?

But Maybe This iPhone Become To iPod Touch By Jailbreak!

iCall · 08-19-2012, 06:01

Has anyone tried to replace lock bb chips again to use Gevey sim successfully? Thanks

ubreakifixit · 08-19-2012, 07:41

how can u use it if u cant activate it. Addition to that Gevey does not make 04.11 and 04.12 bb

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08-06-2012, 08:59	#18 (permalink)
ng_luong Insane Poster Join Date: Sep 2006 Location: Việt Nam (Biên Hoà) Age: 25 Posts: 59 Member: 360453 Status: Offline Thanks: 28 Thanked 3 Times in 3 Posts	That's Right ........

08-09-2012, 08:51	#21 (permalink)
unluckyman Freak Poster Join Date: May 2006 Posts: 244 Member: 273013 Status: Offline Thanks: 100 Thanked 42 Times in 24 Posts	Chip CPU GSM = IMEI Chip Mass Memory = Serial Change chip PDA not change mass memory restore erro

08-09-2012, 13:01	#22 (permalink)
air_chair256 Freak Poster Join Date: Oct 2011 Posts: 330 Member: 1679608 Status: Offline Thanks: 150 Thanked 189 Times in 109 Posts	i think the serial recorded in CPU(A4) and NAND Flash? if its right we should change bb cpu, bb flash, NAND Flash, CPU(A4) so its so hard work i dont think any one have enough time to do it only for activated one iphone

08-09-2012, 13:46	#23 (permalink)
LastWay Junior Member Join Date: Oct 2006 Location: Russia, Chelyabinsk Posts: 28 Member: 370063 Status: Offline Thanks: 1 Thanked 4 Times in 4 Posts	Serial Number in Nand imei in BB and BB flash so 3 chip need to change at the same time 100% after change need to flash by itunes (because processor id is changed)

08-09-2012, 16:54	#24 (permalink)
Elun Chen Major Poster Join Date: Jun 2012 Location: Phnom Penh Cambodia Age: 18 Posts: 49 Member: 1766518 Status: Offline Thanks: 11 Thanked 58 Times in 25 Posts	oh serial on hard disk need to change 3 chip but i changed 2 chip only bb cpu + bb flash not be change hard disk before working 100% but now beat repairer must change mass memory! buy 2 bb chip lock at&t + unlock not buy hard disk mean 2 bb chip move to recycle bin!

08-19-2012, 06:01	#27 (permalink)
iCall Freak Poster Join Date: Dec 2010 Posts: 143 Member: 1477098 Status: Online Thanks: 16 Thanked 10 Times in 9 Posts	Has anyone tried to replace lock bb chips again to use Gevey sim successfully? Thanks

08-19-2012, 07:41	#28 (permalink)
ubreakifixit Junior Member Join Date: Nov 2010 Posts: 33 Member: 1437600 Status: Offline Thanks: 1 Thanked 6 Times in 6 Posts	how can u use it if u cant activate it. Addition to that Gevey does not make 04.11 and 04.12 bb