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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 06-02-2016, 22:41   #16 (permalink)
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No lost imei all its fine but just no service already checked with 2 ics tomorrow i will take from a scrap motherboard
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Old 06-03-2016, 22:56   #17 (permalink)
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Changed another u2 from another suplier still no calling , last chance try from another mobile phone
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Old 06-05-2016, 02:16   #18 (permalink)
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reball baseband, transmitter
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Old 06-05-2016, 16:54   #19 (permalink)
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Quote:
Originally Posted by t-borokov View Post
reball baseband, transmitter

Worked reflowed u1_rf and done
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Old 09-01-2016, 02:45   #20 (permalink)
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it is me again same problem put its my fault my high temperature i think I damage some other ic there is another ic near may be responsible???
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Old 02-22-2017, 16:47   #21 (permalink)
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Quote:
Originally Posted by rikimaer View Post
Worked reflowed u1_rf and done
I confirm this result. Rework, reflow/reball on the U1_RF and U3_RF area do revolve the No Service issue.
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Old 02-22-2017, 16:59   #22 (permalink)
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yes happen

when overheat with too high temperature ..
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Old 07-30-2017, 13:47   #23 (permalink)
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Very high temperature, rebal U1_RF.
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Old 07-30-2017, 23:15   #24 (permalink)
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Wich temperature you use guys for rework on iphone mobos?

Example for touch ic , baseband ic , u2 ic ,etc . Using same temp for all or each ic have his own setup ?
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Old 08-10-2017, 10:18   #25 (permalink)
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U2-365 *C Air 20-24l

Depending on the type of hot air. The components before the u2 shine off
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Old 01-11-2019, 20:20   #26 (permalink)
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Quote:
Originally Posted by Tony2323 View Post
U2-365 *C Air 20-24l



Depending on the type of hot air. The components before the u2 shine off
Is it best to reball the board side with hot air and heat on U2 charging ic
Or
Remove board solder and ball IC ONLY?

BR

.:112:.

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Old 01-14-2019, 15:19   #27 (permalink)
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I only remove U2 ic on iP5s. All the heat on U2 ic.
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