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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Android based Phones / Tablets

Android based Phones / Tablets For all of your questions relating to the android mobile phones.

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Old 11-22-2014, 13:03   #1 (permalink)
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[solution] Unknown baseband/invalid imei/null/no service-[MTK ONLY]


MTK based Unknown baseband/invalid/null imei/no service

repair method based on Repair via NVRM file
you can restore NVRM from same working phone[best]
or i will provide all NVRM time to time

requirements :
TMK droid root & tools HERE
adb driver installed
phone must be rooted


all tested nvrm in bellow link/will uplod in future also



Last edited by gsm mithun roy; 11-22-2014 at 13:09.
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Old 02-04-2015, 13:44   #2 (permalink)
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Mithun Bhai its not working for me. Please suggest.
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Old 02-26-2015, 18:56   #3 (permalink)
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How to do

Me all so not work

Celkon A 40 Baseband Unknown
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Old 07-06-2015, 16:36   #4 (permalink)
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i flashed a wrong recovery img. to tecno p5s which belonged to tecno p5 now unknown baseband/ no network/invalid imei pliz help
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Old 07-22-2015, 12:12   #5 (permalink)
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nvram file for micromax a110 please
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Old 09-13-2015, 15:14   #6 (permalink)
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Hi guys.. is there anyway of calculating imei 2 from imei 1 ..i lost them aftr flashin a new rom... i used droidtools to input imei1 wc i xeroxed under the battery..
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Old 03-21-2016, 08:42   #7 (permalink)
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please
micromax a104 nvrm file .
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Old 04-08-2016, 22:59   #8 (permalink)
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thank you ... how to root devices MTK
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Old 05-21-2016, 16:52   #9 (permalink)
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Why not use Engineering mode to change the imei. Works for me
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Old 06-04-2016, 03:09   #10 (permalink)
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Quote:
Originally Posted by slybug View Post
Why not use Engineering mode to change the imei. Works for me
If it is unknown bseband you cannot use Engineering Mode to fix it.You need exact copy of same phone that is rooted then backup the nvm with mtk droid AND ROOT TOOL to fix the unknown baseband before writing back the phone imei at the back of the phone to the phone.
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Old 07-09-2016, 01:35   #11 (permalink)
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still failed to understand it
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Old 07-27-2016, 15:27   #12 (permalink)
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easy bro king root apk root for all mtk phones
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Old 08-31-2016, 12:53   #13 (permalink)
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you can restore NVRM from same working phone
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Old 09-04-2016, 02:57   #14 (permalink)
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I think the problem with most firmware dumps is that the NVRAM partition seems to be overlooked. Even if the ROM seems complete, you might end up with a blank IMEI just because the necessary info is missing.
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Old 09-05-2016, 01:09   #15 (permalink)
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when i start droid tool i get this
droidtoolerr - Download - 4shared

how to fix?
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