1. ldsands's Avatar
    Hey all I have a Lumia 640 dual sim LTE rm-1075 and I keep losing my cell signal every minute or so. I had previously had this issue with both a 950XL (which I later returned) and this current 640 but I was able to fix it on the 640 by resetting through the Lumia recovery tool. I reset first on the phone and the bug came up so I reset through the recovery tool again and the problem persists. I should mention that I us US Mobile a T-Mobile MVNO. If anyone has any ideas I'd appreciate it. I used to go to bed with somewhere between 40 and 60 percent battery left now it'll die by 5 pm everyday.
    04-08-2016 07:37 PM
  2. Chintan Gohel's Avatar
    Hey all I have a Lumia 640 dual sim LTE rm-1075 and I keep losing my cell signal every minute or so. I had previously had this issue with both a 950XL (which I later returned) and this current 640 but I was able to fix it on the 640 by resetting through the Lumia recovery tool. I reset first on the phone and the bug came up so I reset through the recovery tool again and the problem persists. I should mention that I us US Mobile a T-Mobile MVNO. If anyone has any ideas I'd appreciate it. I used to go to bed with somewhere between 40 and 60 percent battery left now it'll die by 5 pm everyday.
    you've experienced the issue with two phones which points to the problem likely being with the SIM card itself. Can you get it replaced? I had trouble connecting to 3G in my phone last year and I got a replacement SIM card and now things are okay
    Maurizio Troso likes this.
    04-09-2016 01:45 AM

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