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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone, iPad, iPod Hardware Repair

iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 01-06-2019, 18:19   #1 (permalink)
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Failed to change SN of an iPad Air


Hello everyone,

I am confused regarding this iPad Air that is driving me crazy!

Ok, hereis the sketch:
- i changed the old SN (SN, WIFI, BT) into the new one, and tried to activate!
while doing this i am supposed to get the iPad unlocked but unfortunatlly the iCloud lock remains,

- Checked the SN, i found that the original one (locked) remains it didn't change,

- I put the MB into the Naviplus and read the data, the naviplus gave me that the ipad is using the new SN!!!

puting the ipad into recovery, then reading the SN, the original one is displaying

And this is confusing

- i restored the ipad manytimes from recovery, from DFU,

Conclusion
The reading : From the PC the OLD SN
: From the Naviplus THE NEW unlocked SN

Note : I am using Naviplus version 1.1308 and IPAD4/5 adapter. Tried with an iPad 4 everything goes well!

Did anyone experienced the same thing? Did Apple patched the new OS or changed the location of the SN? i am using the 12.1.1

Thanks for your help
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Old 01-09-2019, 13:29   #2 (permalink)
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U must erase nand and write new boot with new sn

Sent from my SM-N920C using Tapatalk
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Old 01-09-2019, 15:38   #3 (permalink)
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Quote:
Originally Posted by bifout View Post
Hello everyone,

I am confused regarding this iPad Air that is driving me crazy!

Ok, hereis the sketch:
- i changed the old SN (SN, WIFI, BT) into the new one, and tried to activate!
while doing this i am supposed to get the iPad unlocked but unfortunatlly the iCloud lock remains,

- Checked the SN, i found that the original one (locked) remains it didn't change,

- I put the MB into the Naviplus and read the data, the naviplus gave me that the ipad is using the new SN!!!

puting the ipad into recovery, then reading the SN, the original one is displaying

And this is confusing

- i restored the ipad manytimes from recovery, from DFU,

Conclusion
The reading : From the PC the OLD SN
: From the Naviplus THE NEW unlocked SN

Note : I am using Naviplus version 1.1308 and IPAD4/5 adapter. Tried with an iPad 4 everything goes well!

Did anyone experienced the same thing? Did Apple patched the new OS or changed the location of the SN? i am using the 12.1.1

Thanks for your help
It happens, check navi is up to date, write the serial multiple times, I had same problem on one board, rest wrote with out issue, no need to erase nand!
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Old 01-13-2019, 04:39   #4 (permalink)
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Quote:
Originally Posted by bifout View Post
Hello everyone,


Conclusion
The reading : From the PC the OLD SN
: From the Naviplus THE NEW unlocked SN

Note : I am using Naviplus version 1.1308 and IPAD4/5 adapter. Tried with an iPad 4 everything goes well!

Did anyone experienced the same thing? Did Apple patched the new OS or changed the location of the SN? i am using the 12.1.1

Thanks for your help
Navi not writting the information in the right "places" check if you are using the laters version.
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Old 01-13-2019, 17:34   #5 (permalink)
orx
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maybe can to be useful : yesterday i've unlock ipad air model A1475 so cellular version .
my solution for this without nand remove : i removed resistor as as was done in previous versions of ios , purchase new serial and write with easy adapter 56 , put ipad in dfu and restore using itunes ,done.
Relock immediately with my icloud account to make sure the new serial can not be placed again
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