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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Digital Core Technology 4 ( DCT-4 )

Nokia Digital Core Technology 4 ( DCT-4 ) DCT-4 Phones: 1100 , 1100 , 1101 , 1108 , 1110 , 1110 , 1110i , 1112 , 1112 , 1112i , 12i GSM Modul, 1600 , 1600 , 2112 , 2125i , 2126i , 2128i , 2255 , 2300 , 2300 , 2355 , 2600 , 2650 , 2651 , 2652 , 2760 Americas, 2760 Europe/Asia, 30 Terminal, 3100 , 3105 , 3108 , 3120 , 3120 , 3125 , 3128 , 3129 , 3152 , 3155 , 3155i , 3200 , 3205 , 3205i , 3220 , 3220 , 3300 , 3300 , 3320 , 3321 , 3360 , 3361 , 3510 , 3510i , 3520 , 3530 , 3560 , 3570 , 3585 , 3586 , 3586i , 3587 , 3587i , 3588i , 3589i , 3590 , 3595 , 3595i , 5070 , 5070 , 5100 , 5140 , 5140 , 5140i , 6010 , 6012 , 6015 , 6015i , 6016i , 6019i , 6020 , 6020 , 6021 , 6030 , 6030 , 6050 , 6060 , 6060 , 6061 , 6070 , 6070 , 6080 , 6080 , 610 Car Kit, 6100 , 6101 , 6101 , 6101 , 6102 , 6102 , 6102 , 6102 , 6103 , 6103 , 6108 , 6111 , 6112 , 6152 , 6155 , 6155i , 616 Car Kit, 6170 (TIKU) , 6170 (TIKU) , 6200 , 6220 , 6225 , 6225i , 6230 (TIKU) , 6230 (TIKU) , 6230i (TIKU) , 6235 (TIKU) , 6235i (TIKU) , 6236i , 6255 (TIKU) , 6255i (TIKU) , 6256 , 6256i , 6310 , 6310i , 6340 , 6340i , 6360 , 6370 , 6385 , 6500 , 6510 , 6560 , 6585 , 6590 , 6590i , 6610 , 6610i , 6650 , 6651 , 6800 , 6800 , 6810 , 6820 , 6820 , 6820i , 6822 , 6822 , 7200 , 7210 , 7250 , 7250i , 7260 , 7270 (TIKU), 7270 (TIKU) , 7280 (TIKU) , 7280 (TIKU) , 7360 , 7380 , 7600 (TIKU) , 7620 , 810 Car Kit, 8310 , 8390 , 8587 , 8800 (TIKU) , 8800 Sirocco Edition (TIKU) , 8801 (TIKU) , 8910 , 8910i , D211 , Nokia Remote Camera DCT-4+ (Plus) : 1200 , 1208 , 1208b , 1209 , 1650 , 1650b , 1680c-2b Classic, 2310 , 2600c , 2610 , 2610b , 2626 , 2630 Americas, 2630 Europe/Asia, 2670h Fold, 5000 , 5000 , 7070

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Old 12-16-2003, 17:44   #1 (permalink)
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Nokia 7250 "insert sim" problem

Hello, I have one Nk7250, it seems in good conditions, I insert a sim card and power on... all good but sometimes it restarts and displays "insert sim"

I have resoldered sim card connectors, I have flashed it with prodigy... any other idea?

thanks

best regards
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Old 12-23-2003, 00:35   #2 (permalink)
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sometimes its when the battery contacts or battery pads are dirty or it could be uem that needs reflow or faulty.
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Old 12-23-2003, 13:41   #3 (permalink)
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thanks Masterplan, I was cleaned batt, repaired contacts, rehoted uem... all ok

b.r.
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Old 02-24-2004, 08:15   #4 (permalink)
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hi, i have teh same problem with my old phone (also a 7250), but am a bit of a beginner with the repairs. could u please explain what the UEM is and how do do this particular repair?
thanks
Steve
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Old 02-24-2004, 11:40   #5 (permalink)
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Clean batt and correct contacts, but If you are beginner don't try to rehot uem

b.r.
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Old 08-05-2008, 08:19   #6 (permalink)
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nokia 7250 insert sim problem

Goodluck, thecult, for me it has not worked. anyone to assist, is there any hardware that can be changed. pliz help, the phone is fairly new and I can not thro it away.


VILCON
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