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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 10-25-2014, 18:59   #1 (permalink)
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iphone 5s no imei no modem frimware serching


hello
i have an iphone 5s after changing u2 ic it is now with no imei and modem frimware
i think the phone get hot more then normal what can i do not thanx
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Old 10-25-2014, 19:05   #2 (permalink)
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may be modem ic .........
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Old 10-25-2014, 19:23   #3 (permalink)
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may be modem ic .........
do u mean u2_rf i reballed that but still the same
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Old 10-26-2014, 19:12   #4 (permalink)
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any one plz help me with this problem
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Old 10-26-2014, 19:14   #5 (permalink)
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Check vdd or vcc in bb ic

B.r

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Old 10-26-2014, 20:55   #6 (permalink)
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Check vdd or vcc in bb ic

B.r

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hello tanx for ur replay can u tell me wich ic do u mean by bb ic ??
if beseband ic u mean u1_rf?????
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Old 10-27-2014, 11:41   #7 (permalink)
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Quote:
Originally Posted by naslejavan View Post
hello
i have an iphone 5s after changing u2 ic it is now with no imei and modem frimware
i think the phone get hot more then normal what can i do not thanx

I was a child like this, one has the solution please help
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Old 10-28-2014, 11:15   #8 (permalink)
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this one is modem ic .... good luck
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Old 10-28-2014, 17:29   #9 (permalink)
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Originally Posted by nsns285 View Post
this one is modem ic .... good luck
Thank you for your replay one more question wich voltag to cheak for imei becoz i changed this ic but the same plz help me the customer wants me 500$
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Old 10-29-2014, 19:19   #10 (permalink)
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any one have more details about how to cheak voltag for baseband ic tanx
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Old 10-30-2014, 20:06   #11 (permalink)
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Quote:
Originally Posted by naslejavan View Post
hello tanx for ur replay can u tell me wich ic do u mean by bb ic ??
if beseband ic u mean u1_rf?????


Yes check beseband ic voltage vdd or vcc


B.r

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Old 10-30-2014, 21:48   #12 (permalink)
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Yes check beseband ic voltage vdd or vcc


B.r

Yuvi
tanx agian for ur replay in wich caps i should cheak the vdd and vcc voltag tanx
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Old 10-31-2014, 07:17   #13 (permalink)
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Originally Posted by naslejavan View Post
tanx agian for ur replay in wich caps i should cheak the vdd and vcc voltag tanx
Download service manual and check

B.r

Yuvi
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Old 10-31-2014, 09:10   #14 (permalink)
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Download service manual and check

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tank you
i have the schematics but dont know in wich place i should cheak voltage ?
plz mark wich place i shoud cheak the voltag

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Old 09-03-2015, 09:49   #15 (permalink)
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Originally Posted by nsns285 View Post
this one is modem ic .... good luck
yes it work
i maked 30 sek hot and it work again
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