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| iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides. |
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05-22-2012, 11:34
| #1 (permalink) |
| Junior Member  Join Date: May 2012
Posts: 19
Member: 1762507 Status: Offline Thanks: 4
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| Iphone 4 hardware problem rebooting during restore Hi iphone 4 rebooting during restore wont turn on tooked out all mainboard placed in new iphone 4 still same.. tried all restore methods just rebooting i think this is power ic or flash memory pls help  |
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05-22-2012, 18:50
| #2 (permalink) |
| Freak Poster  Join Date: Dec 2011 Location: damak,jhapa,nepal
Posts: 265
Member: 1705433 Status: Offline Sonork: kali Thanks: 77
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| its nand flash ic problem,better to reball it |
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| The Following User Says Thank You to kali_fuchi For This Useful Post: |
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05-23-2012, 09:33
| #4 (permalink) |
| Freak Poster Join Date: Mar 2012 Location: Italy
Posts: 207
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| nope it has only a few and very big balls, but apple used a lot of glue on it, it's hard to lift |
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| The Following User Says Thank You to seve91 For This Useful Post: |
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05-23-2012, 10:29
| #5 (permalink) |
| Junior Member Join Date: May 2012
Posts: 19
Member: 1762507 Status: Offline Thanks: 4
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| Can u please tell my how much celcius i need to set on my hot air machine for nand flash reball ? and what is easy way to lift ic and get rid of these glues ? ty man |
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05-24-2012, 19:38
| #6 (permalink) |
| Freak Poster Join Date: Dec 2011 Location: damak,jhapa,nepal
Posts: 265
Member: 1705433 Status: Offline Sonork: kali Thanks: 77
Thanked 35 Times in 32 Posts
| you use 280 degree & u need glue remover paste or very carefully clean first glue and remove,u will be success |
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| The Following User Says Thank You to kali_fuchi For This Useful Post: |
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05-24-2012, 20:44
| #7 (permalink) |
| Freak Poster Join Date: Mar 2012 Location: Italy
Posts: 207
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| usually i use 200°C measured on the BGA, then put some gel flux around the IC, wait some sec, then use a nail and scrap all the glue around the IC. Then the heat will better goes under the IC, you will need a lower temp to lift the bga then. If you can see the nearby component solder melting, try to gently move the BGA, if not wait some sec and retry! try also to lift it with a tweezer or something else, but pry it gently  |
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| The Following User Says Thank You to seve91 For This Useful Post: |
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