Axon 7 1.5 years old: battery dies after an hour of use

HoomakaHoomaka United StatesPosts: 1
Hello everyone I have been having a problem with my phone for the past 2 months and it's getting worse. My phone drains extremely fast and dies at about 51%-37% range. I reboot the phone and it shows 1% left. When I plug in my phone to the charger the charge jumps back up to the % it died at. I tried clearing the phone cache and what not but nothing changed. The phone also drains sitting at idle instantly draining 1-5% right off the charger. In 3 minutes of use 15% or more gets drained doing normal things like texting.

Any help is welcomed and I thank you in advance,
Hoomaka

Comments

  • razor512razor512 United StatesPosts: 2,502 ✭✭✭✭✭✭✭✭
    The next time it dies before reaching 0%, turn it back  on by pressing the power button + Volume up. Once the logo appears, release the power button but continue to hold the volume up button.

    You will eventually see a recovery menu.

    Leave it on the recovery menu until the battery dies again.

    If it seems like it is taking too long to die, try booting into android a few times to drain the battery. Since the recovery menu does not try to reserve any power by shutting off before it reaches its true zero point (to avoid deep cycling the battery), the OS itself will not cause the battery to recalibrate.

    When the battery is drained to a point where the device will not power back on, then you can connect the charger and let it charge the device fully before powering it back on.
  • beaugartbeaugart Illinois, USAPosts: 124 ✭✭✭✭✭
    Mine is doing the exact same thing. It started sometime in August with a lag when it it 25%, then it started shutting off in the same range as yours is a few weeks ago. It currently has to be plugged in constantly to stay on, and am just waiting on warranty right now. I've tried everything, from factory resetting to clearing the cache, to letting it power off completely in the boot menu as described above. I've been told it's the battery, so warranty repair it is, it seems.
  • pasonal11pasonal11 United StatesPosts: 12 ✭✭✭
    Guys just replace the battery! You can find the genuine ZTE Axon 7 battery replacement in eBay with the tools included (screwdrivers, ete.) to replace it yourself for less than $15 dollars. I was skeptical in my ability to replace it by myself but it was way easier than I expected, besides you have YouTube videos to guide you. I was thinking in taking the device to a phone repair shop to let them do it but it was around $50 dollars. You can pay someone to replaced it or just save the $50. Now the battery life awsome, back as it used to, I mainly use the Axon 7 as music player because of the DAC.
    P.S: ZTE please roll an update fixing the broken Dolby Atmos app and audio issues that came with Oreo, I think it will be very simple for you.. You (ZTE) had a long time to make a decent Oreo update but ironically you gave us a rushed one and sort of incomplete. Other Axon 7 users have experienced this problem as well and my question that I have left is: how the ZTE insiders that first tested the beta of update didn't catch that?
  • ram1220ram1220 Allen TexasPosts: 443 ✭✭✭✭✭✭
    pasonal11 said:
    Guys just replace the battery! You can find the genuine ZTE Axon 7 battery replacement in eBay with the tools included (screwdrivers, ete.) to replace it yourself for less than $15 dollars. I was skeptical in my ability to replace it by myself but it was way easier than I expected, besides you have YouTube videos to guide you. I was thinking in taking the device to a phone repair shop to let them do it but it was around $50 dollars. You can pay someone to replaced it or just save the $50. Now the battery life awsome, back as it used to, I mainly use the Axon 7 as music player because of the DAC.
    P.S: ZTE please roll an update fixing the broken Dolby Atmos app and audio issues that came with Oreo, I think it will be very simple for you.. You (ZTE) had a long time to make a decent Oreo update but ironically you gave us a rushed one and sort of incomplete. Other Axon 7 users have experienced this problem as well and my question that I have left is: how the ZTE insiders that first tested the beta of update didn't catch that?


    I just bought the same battery and tool kit from Ebay. I have them here and I am trying to get up the courage to do it myself. From what I have seen on Youtube it won't be too hard. I see that I need a small heat gun to remove the speaker grills. But how did you reattach the speaker grills after replacing the battery?
  • pasonal11pasonal11 United StatesPosts: 12 ✭✭✭
    The speaker grills came off with some of it's own adhesive, I just placed them back as they were and they stayed! If the grills weren't to stay one of my alternatives was to use little drops of super glue around the speaker grills making sure not to cover.the little holes. I used a hair drayer but I don't think it did much, I just found some very thin edge that helped me remove the grills. You'll be fine replacing the battery yourself.
  • kmb877kmb877 Posts: 164 ✭✭✭✭✭
    Hello pasonal11 and ram1220,
    Can you please post a link to the battery + tools you've got from eBay?
    Also, did you see a major improvement after changing the battery?
    Thank you

    FYI: I complained about battery life and I mailed my A7 to the service center. Got-it back after 3 weeks, nothing changed.
  • gads1gads1 Posts: 32 ✭✭✭✭✭
    Hoomaka said:
    Hello everyone I have been having a problem with my phone for the past 2 months and it's getting worse. My phone drains extremely fast and dies at about 51%-37% range. I reboot the phone and it shows 1% left. When I plug in my phone to the charger the charge jumps back up to the % it died at. I tried clearing the phone cache and what not but nothing changed. The phone also drains sitting at idle instantly draining 1-5% right off the charger. In 3 minutes of use 15% or more gets drained doing normal things like texting.

    Any help is welcomed and I thank you in advance,
    Hoomaka
    yes.   both wife and I have had Axon7 for couple years and batteries DIE in these phones at 1.5-2yr mark.   you can buy a replacement for approx $14 off ebay and replace it yourself (check youtube video assuming you have the tools and aptitude for this).    Alternatively, do an "advance replacement" by called ZTE support and trade-in  your phone for a refurb for $79.   they will want to do TWO charges -- approx $410 charge for cost of phone, and $79 for replacement.    once you receive replacement, do the setup and phone migrate data, wipe the old one and return.  They will NOT charge the $410 once you return.  note the $79 replacement fee includes fedex shipping label to return.
  • morefavesmorefaves Posts: 11 ✭✭✭✭
    I had the same exact problem.   Phone still had a month of warranty.   I did the replacement and new phone does not have the problem, so if you're still on warranty, I suggest you replace.  It probably just delays the problem for another 22 months or so, but it's worth it.  
  • kmb877kmb877 Posts: 164 ✭✭✭✭✭
    Thank you very much pasonal11
  • techiitechii Posts: 32 ✭✭✭✭
    Next month will be two years.......…..battery is still ok...…..knock on wood, no problems....
  • Barb28nBarb28n United StatesPosts: 1 ✭✭
    I'm having the exact same problem too, done all the methods,didn't make any difference. Worried about changing battery though, why can't we go back to the old fashioned removable kind
  • roxuu011roxuu011 RomaniaPosts: 3 ✭✭✭
    Hello! I have the same issue with a ZTE 7 mini. I've just gone for the latest update, but it seems to get worse. I thought it is because I have been charging it using an adaptor from the lighter of my car. What do you recommend: should I go for the battery replacement kit or try to have my phone replaced? I still have like 8-9 months of warranty. I must say that it is from ZTE Europe. Thank you!
  • stevec5375stevec5375 TexasPosts: 793 ✭✭✭✭✭✭✭
    Barb28n said:
    I'm having the exact same problem too, done all the methods,didn't make any difference. Worried about changing battery though, why can't we go back to the old fashioned removable kind
    Because customers demanded waterproof phones which require sealed batteries.  Once that cash cow was out of the barn there is no putting her back.  Phone vendors love the fact that you have to pay more money to have them replace your battery or better yet, sell you a whole new phone.
  • beaugartbeaugart Illinois, USAPosts: 124 ✭✭✭✭✭
    Got the phone repaired through the Passport 2.0, no cost to me whatsoever (and I was one day away from the 2 year mark). Sent the phone to them, and they sent it back good as new within 2 weeks. I highly recommend the return/repair service if you're still in the 2 year Passport Protection period.
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