without insert sim searching iphone 4 - GSM-Forum

kali_fuchi · 04-07-2012, 18:40

hi everybody,specially mr wites,iphone 4 is searching for network without insert sim,i try latest os 5.1 & also try to repair baseband chip but no response,if possible plz share a tested solution.plz soon.....

abr.s · 04-08-2012, 00:31

its baseband bro

kali_fuchi · 04-08-2012, 08:04

i already replace baseband ic & also resisters & coils.but still same.if anybody have specific solution,plz welcome here

rogerboogie · 04-09-2012, 05:55

Quote:

Originally Posted by kali_fuchi

i already replace baseband ic & also resisters & coils.but still same.if anybody have specific solution,plz welcome here

i dont have a especific solution but same happend to me with one iphone 4 and problem found after water on wifi .

i clean , resold by hand and low reflow on ics on wifi but not reballed yet , after this phone comes with wifi and stop searching but after some days returns to me with problem again

also something strange happend , when wifi and imei returns the phone have lower signal, i think PA could be shorted too

still cannot solve my problem cause i dont have replacement but i still looking for a replacement to test

Wites OM Tesla · 04-09-2012, 20:03

Quote:

Originally Posted by kali_fuchi

hi everybody,specially mr wites,iphone 4 is searching for network without insert sim,i try latest os 5.1 & also try to repair baseband chip but no response,if possible plz share a tested solution.plz soon.....

This is BB CPU and BB Flash problem reball both also 2 coil for bb supply might be bad reball PMIC,also this depend what is the cause water or dropped etc.

kali_fuchi · 04-10-2012, 15:16

Quote:

Originally Posted by Wites

This is BB CPU and BB Flash problem reball both also 2 coil for bb supply might be bad reball PMIC,also this depend what is the cause water or dropped etc.

thanks mr wites,its really pmic problem,look like not related but reality

JASKY007 · 09-29-2012, 18:19

i have same problem..is any body solved this?

kali_fuchi · 09-30-2012, 16:05

reball 3 ic- bb cpu, bb flash ic & pm ic

menshaoui · 11-15-2012, 14:16

Quote:

Originally Posted by JASKY007

i have same problem..is any body solved this?

i have same problem with 4s just restor online my problem solve

memas_trading · 11-15-2012, 15:29

try to latest version ios 6 or 6.0.1 may be it will be done inshallah

lader · 12-01-2012, 17:52

test other battrie and pot resulta)))))))))))))))

lader · 12-01-2012, 17:53

test other battrie and post resulta))))))))))

kades · 12-11-2012, 00:51

Quote:

Originally Posted by Wites OM Tesla

This is BB CPU and BB Flash problem reball both also 2 coil for bb supply might be bad reball PMIC,also this depend what is the cause water or dropped etc.

Can anyone show me where are exactly this components on the board?

Thanks.

zendgee36 · 12-11-2012, 02:33

its problem ios 6 or 6.0.1 when u update mostly problem
come searching u need then reset network seting
or erase some time if not then u need to basbend
ic heat litel not much i get this problem and solved
iphone 5 iphone 4g or 4s but some time when u
change lcd thats problem come
first step it reset or erase if not then
heat on basbend is but carefully if u put heat
much its going to heat up or temparaturt high

kades · 12-11-2012, 19:14

After checking with microscope I find out the L92_RF is broken...
Can I find a compatible component in iphone 3g/3gs boards?

Thanks.

04-07-2012, 18:40	#1 (permalink)
kali_fuchi Freak Poster Join Date: Dec 2011 Location: damak,jhapa,nepal Posts: 330 Member: 1705433 Status: Offline Sonork: kali Thanks Meter: 45	without insert sim searching iphone 4 hi everybody,specially mr wites,iphone 4 is searching for network without insert sim,i try latest os 5.1 & also try to repair baseband chip but no response,if possible plz share a tested solution.plz soon.....

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Service Provider Lock 1-4 ?	StompSC	Nokia Legacy Phones ( DCT-1 ,2 ,3 ,L )	2	06-27-2012 11:00
SIM restriction pending -- what does it mean?	Ryu	Nokia Legacy Phones ( DCT-1 ,2 ,3 ,L )	7	07-17-2011 10:05

04-08-2012, 00:31	#2 (permalink)
abr.s Junior Member Join Date: Mar 2011 Posts: 9 Member: 1534594 Status: Offline Thanks Meter: 1	its baseband bro

04-08-2012, 08:04	#3 (permalink)
kali_fuchi Freak Poster Join Date: Dec 2011 Location: damak,jhapa,nepal Posts: 330 Member: 1705433 Status: Offline Sonork: kali Thanks Meter: 45	i already replace baseband ic & also resisters & coils.but still same.if anybody have specific solution,plz welcome here

09-29-2012, 18:19	#7 (permalink)
JASKY007 Registered User Join Date: Sep 2009 Location: satwa dubai uae Posts: 471 Member: 1125280 Status: Offline Thanks Meter: 273	i have same problem..is any body solved this?

09-30-2012, 16:05	#8 (permalink)
kali_fuchi Freak Poster Join Date: Dec 2011 Location: damak,jhapa,nepal Posts: 330 Member: 1705433 Status: Offline Sonork: kali Thanks Meter: 45	reball 3 ic- bb cpu, bb flash ic & pm ic

11-15-2012, 15:29	#10 (permalink)
memas_trading Freak Poster Join Date: Aug 2012 Location: deira dubai Posts: 249 Member: 1797460 Status: Offline Sonork: 100.1622335 Thanks Meter: 24	try to latest version ios 6 or 6.0.1 may be it will be done inshallah

12-01-2012, 17:52	#11 (permalink)
lader No Life Poster Join Date: Dec 2004 Age: 50 Posts: 1,185 Member: 95476 Status: Offline Thanks Meter: 185	test other battrie and pot resulta)))))))))))))))

12-01-2012, 17:53	#12 (permalink)
lader No Life Poster Join Date: Dec 2004 Age: 50 Posts: 1,185 Member: 95476 Status: Offline Thanks Meter: 185	test other battrie and post resulta))))))))))

12-11-2012, 02:33	#14 (permalink)
zendgee36 Cheater -Don't Deal with him- Join Date: Dec 2006 Location: Riyadh saudia Posts: 542 Member: 407564 Status: Offline Thanks Meter: 141	its problem ios 6 or 6.0.1 when u update mostly problem come searching u need then reset network seting or erase some time if not then u need to basbend ic heat litel not much i get this problem and solved iphone 5 iphone 4g or 4s but some time when u change lcd thats problem come first step it reset or erase if not then heat on basbend is but carefully if u put heat much its going to heat up or temparaturt high