How to fix No Service on an MTK Android phone while in WCDMA or 3G only mode

mediatek no service wcdma only mode

At some point or the other, your Android phone (and you) will have to leave the network reception stronghold and venture  into an area of not so encouraging signal reception. In my previous guide on boosting the Internet connection speed on your Mediatek Android phone, I explained a life-saving technique that tells your  MTK phone;

3G or 4G = Give me, EDGE or 2G = Keep it

See the guide at https://journal.hovatek.com/how-to-fix-3g-or-4g-constantly-dropping-to-2g-or-edge-on-an-mtk-android-phone/ if you missed it. In today’s tutorial, we shall be putting yet another device issue behind us, the problem of no service or reception when network mode is switched to WDCMA (3G) only.

Could you shed more light on this particular issue?

This problem borders around you being in an area with 3G coverage and having signal when your phone is set to 3G / 2G. The problem here is that when you set the phone to 3G / 2G, you get the slow 2G reception most of the time and switching to 3G only gives you no reception.

How do I change my preferred network type (between 3G and 2G)?

There are 2 methods:

  1. Settings Menu: Navigate to Settings > More > Mobile Networks > Select your Service Provider > Preferred Network type
  2. Engineering Mode: Install MTK Engineering Mode > Launch the app > Select MTK Settings > Tap Network Selecting (Under the Telephony tab)

How do I fix no service or reception while in WCDMA or 3G only mode?

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Ideally, downloading the firmware at https://forum.hovatek.com/forum-89.html and flashing it (especially secro.img) using SP flash tool @ https://forum.hovatek.com/thread-159.html ought to fix the issue. Also, using SN Writer @ https://forum.hovatek.com/thread-12306.html to write IMEI could help. If these don’t resolve it then:

  • You’ll need to get a working phone of the same model which is not having the issue
  • Flash TWRP recovery to both phones (Use SP flash tool if not rooted and Rashr.apk if rooted)
  • Boot the working phone into TWRP recovery (see https://forum.hovatek.com/thread-479.html) and backup the system, secro and nvram partitions
  • Move the TWRP (backup) folder from the internal storage of the working phone to that of the phone having the 3G issue
  • Boot the affected phone into TWRP recovery
  • Restore the backup and reboot the phone

Note: This fix also works for the WiFi NVRAM WARNING Err = 0x10 and the NVRAM WARNING Err = 0x02 errors

I have tried the TWRP method but the issue persists. What can I do?

Try the NVRAM Restore Method at https://forum.hovatek.com/thread-116.html

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54 thoughts on “How to fix No Service on an MTK Android phone while in WCDMA or 3G only mode

  • February 3, 2016 at 10:23 am
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    I’m so very grateful for this. A lot of people have been suffering this thing just like me too. I’ve tried a lot but to no avail. Can I get a twrp backup at least? Thanks i will really appreciate it.

    Reply
    • February 3, 2016 at 10:26 am
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      What’s your phone model?

      Reply
      • February 4, 2016 at 12:07 am
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        Infinix hot 2… 2G ram version..

        Reply
        • February 4, 2016 at 12:50 am
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          You’ll need to get a working Hot 2 to make a TWRP backup then

          Reply
          • February 4, 2016 at 1:36 am
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            Actually you stated it. The problem is getting someone who’s willing to let me use his phone. That’s why I’m actually placing a kind request. Nonetheless I really do appreciate your kind assistance. God bless you.

          • February 4, 2016 at 1:38 am
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            We’ll see what we can do about that

      • February 20, 2016 at 5:56 am
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        Can i make use of CTr recovery ? I’m asking because my phone doesn’t have support for twrp. It is a gionee p2

        Reply
  • February 20, 2016 at 5:55 am
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    Can i make use of CTr recovery ? I’m asking because my phone doesn’t have support for twrp. It is a gionee p2

    Reply
    • February 20, 2016 at 12:11 pm
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      You best TWRP unless you can backup NVRAM and Secro in CTR

      Reply
      • February 20, 2016 at 1:45 pm
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        Thanks for the quick reply but sir can you upload the twrp backup of those files for me? I’ll really appreciate it sir because no body currently uses gionee pioneer p2 around. Even if it’ll cost me sir. thanks

        Reply
      • February 20, 2016 at 7:37 pm
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        Please sir can you help me upload the TRWP backup of those files?? I looked for a gionee p2 around and couldn’t find anyone using it.
        Also, no luck with twrp rrecovery iimg for gionee p2. Please help sir

        Reply
        • February 21, 2016 at 3:08 pm
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          We dont have access to the phone

          Reply
          • February 24, 2016 at 6:46 am
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            okay. please keep a watch out for me please.

          • February 24, 2016 at 11:20 pm
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            No problem

  • March 10, 2016 at 10:06 am
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    I do not see the option secro.img in twrp. nvram and system only choice when going backup system. where is it?

    Reply
  • March 12, 2016 at 4:02 pm
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    sir. I restore nvarm and system of mobile phone my friends who are not exposed to problems.But still has not shown up 3G / 4G network on my phone. how to think about the solution?whether its troubled ic PA?

    Reply
    • March 12, 2016 at 4:06 pm
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      It’s not an IC issue. What’s the phone model?

      Reply
  • March 12, 2016 at 4:05 pm
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    please sir, please upload nvram from your handphone to me. I am user infinix note 2

    Reply
  • April 16, 2016 at 7:31 pm
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    HOVATEK pls do u have the backup file which are not having that problem for techno j5…

    Reply
    • April 16, 2016 at 7:43 pm
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      We’ve not had such a complaint. Have you followed our SN write tool guide?

      Reply
  • April 18, 2016 at 2:34 pm
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    so, with 3g only problem …what am i writing?
    everything?

    Reply
    • April 18, 2016 at 6:38 pm
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      Yes, the backup fixes both

      Reply
  • April 18, 2016 at 7:33 pm
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    I wrote the imei only successfully buh still the prob. persist..

    Reply
    • April 18, 2016 at 7:48 pm
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      What method did you use?

      Reply
    • April 19, 2016 at 11:34 am
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      Ok. Can you get access to a Hot 2 without this issue?

      Reply
  • April 19, 2016 at 12:35 pm
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    Am using techno j5
    Cant find any friends with this phone

    Reply
    • April 19, 2016 at 12:41 pm
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      What’s wrong with your phone?

      Reply
  • April 19, 2016 at 4:51 pm
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    3g only doesnt work

    Reply
    • April 19, 2016 at 5:40 pm
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      Can you get a working phone of the same model without this issue?

      Reply
  • July 6, 2016 at 2:44 pm
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    it doest work for me am using infinix x551

    Reply
    • July 6, 2016 at 8:25 pm
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      did you backup the NVRAM and Secro from a working phone in TWRP?

      Reply
  • July 6, 2016 at 8:33 pm
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    but i have solve it nw with another method

    Reply
      • July 6, 2016 at 10:15 pm
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        i download the nvram backup from mega and i restore it with mtk droid tools and restart the phone it works perfectly

        Reply
        • July 6, 2016 at 10:19 pm
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          It’s still the same method then

          Reply
          • July 6, 2016 at 10:24 pm
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            okay then but the twrp method does work for me i even backup d system file plus the nvram partition and restore it but didnt work

  • July 13, 2016 at 10:33 am
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    Pls hovatek….may Allah continue to bless you and your family,i dont av any body beside me dats using gionee p5w….my phone wont bring network when on 3G only….pls and pls….wat best solution do you have for me….cos der is no gionee p5w to do any backup….Thanks

    Reply
    • July 13, 2016 at 10:56 am
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      you’ll need to search online for someone with the phone willing to send you an NVRAM backup

      Reply
      • July 14, 2016 at 3:04 pm
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        pls i saw dis on a website dat to download a cmprtible nviram.tar backup for all mtk device nd dat i jes av to change imei after flashin…pls can i use dat nvram?

        Reply
        • July 14, 2016 at 11:56 pm
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          The nvram backup is specific to each device

          Reply
  • October 26, 2016 at 7:08 am
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    Please hovatek can I get an Nvram backup for infinix x506? No one around me uses this phone.

    Reply
  • May 8, 2017 at 3:39 pm
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    hi hovatek, I’m currently using a BLU STUDIO G. 3g works well in Chicago, now I’m in Africa….3g just went off…
    Any solution please?

    Reply
    • May 8, 2017 at 3:57 pm
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      have you checked your APN settings to be sure its configured right?

      Reply

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