3100 sometimes no network - GSM-Forum

VEX-CELL · 03-23-2007, 07:13

hi guys,
i haf a few nokia phones, sometime the phone show very good receiption ( network bar is FULL ), but after using for certain time (may be few hours later when u bring the phone around to other place ), it shows no receiption at all ( where other phone show FULL network ). i changed antena switch, power ic but also the same... Can any EXPERIENCED MASTER tell me how to repair this type of problem..

thanks a lot

keaelite · 03-23-2007, 07:24

reflow HELGA phone will be ok........enjoy

dmaetrey · 03-23-2007, 07:27

absolutely helga.........if not then p.a. good luck

Nadeem ahmed · 03-23-2007, 17:02

CHange The P.A that should solve it, if not then give the atenna switch heat and wash it good with MCB cleaner or any other solvent u have

Davsnow · 03-23-2007, 17:05

Just re hot the thing lol

amol_sm · 03-23-2007, 21:31

Yes bro ,

Heat the board first PROPERLYand the problem will remain same try this

And Post U R Result.

z a · 03-24-2007, 02:11

change helga if noy work then um

neokia · 03-24-2007, 03:32

i think at nokia 3100 just MJOELNER no HELGA...
Just change your MJOELNER. Before you change your MJOELNER, change your resistor (C625) under MJOELNER.
works 4 me...

mobile123 · 03-25-2007, 09:24

eflo HELGA 100% work

some time ufs show 1st boot error at that time rehot helga and then Flash

deepaksawdia · 03-25-2007, 09:52

brother i solve many 3100 3120 network problem by rebolling uem ic .please try onetime

tan_ufs · 03-27-2007, 09:16

the phone is no network 80% is m joner
the line drot is pa and uem
cpu and flash ic also no network only 20%
the best m joner is f7

jaggi · 03-27-2007, 09:33

rehot the hagger & uem ur problem will b solved

jaggi · 03-27-2007, 09:35

rehot the hagger & uem ur problem will b solved

VEX-CELL · 04-02-2007, 09:32

i changed HAGAR, n the problem is solved .... thanks.

03-23-2007, 07:13	#1 (permalink)
VEX-CELL Freak Poster Join Date: Jul 2006 Posts: 112 Member: 306530 Status: Offline Thanks Meter: 16	3100 sometimes no network hi guys, i haf a few nokia phones, sometime the phone show very good receiption ( network bar is FULL ), but after using for certain time (may be few hours later when u bring the phone around to other place ), it shows no receiption at all ( where other phone show FULL network ). i changed antena switch, power ic but also the same... Can any EXPERIENCED MASTER tell me how to repair this type of problem.. thanks a lot

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03-23-2007, 07:24	#2 (permalink)
keaelite No Life Poster Join Date: Jun 2006 Location: sn,fdo,lu philippines Posts: 3,346 Member: 288470 Status: Offline Sonork: 100.1605122 Thanks Meter: 664	reflow HELGA phone will be ok........enjoy

03-23-2007, 07:27	#3 (permalink)
dmaetrey No Life Poster Join Date: Jul 2006 Posts: 1,138 Member: 315550 Status: Offline Thanks Meter: 110	absolutely helga.........if not then p.a. good luck

03-23-2007, 17:02	#4 (permalink)
Nadeem ahmed Freak Poster Join Date: Mar 2007 Age: 33 Posts: 109 Member: 474191 Status: Offline Thanks Meter: 9	CHange The P.A that should solve it, if not then give the atenna switch heat and wash it good with MCB cleaner or any other solvent u have

03-23-2007, 17:05	#5 (permalink)
Davsnow Insane Poster Join Date: Sep 2006 Location: Tanzania Age: 38 Posts: 79 Member: 356609 Status: Offline Thanks Meter: 1	Just re hot the thing lol

03-24-2007, 02:11	#7 (permalink)
z a Junior Member Join Date: Feb 2007 Posts: 1 Member: 450792 Status: Offline Thanks Meter: 0	change helga if noy work then um

03-24-2007, 03:32	#8 (permalink)
neokia No Life Poster Join Date: Oct 2006 Posts: 515 Member: 366974 Status: Offline Thanks Meter: 31	i think at nokia 3100 just MJOELNER no HELGA... Just change your MJOELNER. Before you change your MJOELNER, change your resistor (C625) under MJOELNER. works 4 me...

03-25-2007, 09:24	#9 (permalink)
mobile123 Junior Member Join Date: Mar 2006 Posts: 37 Member: 240782 Status: Offline Thanks Meter: 8	eflo HELGA 100% work some time ufs show 1st boot error at that time rehot helga and then Flash

03-25-2007, 09:52	#10 (permalink)
deepaksawdia Freak Poster Join Date: Jan 2005 Location: raigarh india Age: 51 Posts: 486 Member: 108186 Status: Offline Thanks Meter: 241	brother i solve many 3100 3120 network problem by rebolling uem ic .please try onetime

03-27-2007, 09:16	#11 (permalink)
tan_ufs Insane Poster Join Date: Jan 2005 Age: 57 Posts: 62 Member: 104473 Status: Offline Thanks Meter: 1	the phone is no network 80% is m joner the line drot is pa and uem cpu and flash ic also no network only 20% the best m joner is f7

03-27-2007, 09:33	#12 (permalink)
jaggi Freak Poster Join Date: Apr 2006 Location: Newzealand Posts: 226 Member: 258480 Status: Offline Thanks Meter: 14	rehot the hagger & uem ur problem will b solved

03-27-2007, 09:35	#13 (permalink)
jaggi Freak Poster Join Date: Apr 2006 Location: Newzealand Posts: 226 Member: 258480 Status: Offline Thanks Meter: 14	rehot the hagger & uem ur problem will b solved

04-02-2007, 09:32	#14 (permalink)
VEX-CELL Freak Poster Join Date: Jul 2006 Posts: 112 Member: 306530 Status: Offline Thanks Meter: 16	i changed HAGAR, n the problem is solved .... thanks.