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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 06-30-2020, 07:04   #1 (permalink)
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i need help ipad air 2


ipad air 2 waiting error 4005


after change sr bl and wifi with jc pro no removal tool

restore not working error 4005

i have backup from old sr bl and wifi the same problem error 4005
ipad air 2 A1566

3utools error : unable to switch dfu mode to recovery mode
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Old 06-30-2020, 17:36   #2 (permalink)
orx
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3 cases with faulty possibilty :

- bad nand solder
- overheating sdram / ram
- faulty nand
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Old 07-01-2020, 08:54   #3 (permalink)
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hi
sr is changed with no removal tool
nand flash not removed
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Old 07-01-2020, 09:16   #4 (permalink)
orx
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hi

yes sorry my mistake , maybe more affordable job is to remove nand and to program it with read and write socket .
good luck
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Old 09-10-2020, 23:35   #5 (permalink)
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My jc no removal tool can not detect it in dfu mode
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Old 09-11-2020, 02:30   #6 (permalink)
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Quote:
Originally Posted by moeberri View Post
My jc no removal tool can not detect it in dfu mode
No removal tool detect only nand ic....its not related to dfu mode...
For remove icloud dont touc any think
Deselect all and change just sn wm bt
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Old 09-11-2020, 20:44   #7 (permalink)
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3utools in itunes mode

You can see a more precise log and where it fails if you use the itunes flash within 3utools(not easy flash)

i have an ipad with same error and it stops on 21% when it tries to load micro os system from the ram(18% when using easy flash)
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