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AT&T HTC One M8 Android 4.4.3 Update Halted Over Battery Drain Issues

We told you a couple of days ago that the HTC One M8 Android 4.4.3 update is being rolled out for the AT&T variant of the device. After the many of the users who updated their smartphones to the new firmware version started to report severe battery drains, AT&T decided to halt the Android 4.4.3 roll out.

Even though many users were expecting HTC to bring the Android 4.4.4 update to the HTC One M8, the Taiwanese phone maker patched all the security fixes of 4.4.4 into their new Android 4.4.3 update. Besides the 4.4.4-specific security fixes, the new update also arrived with improvements for Bluetooth, cellular connectivity, and WiFi.

The now delayed HTC One M8 Android 4.4.3 update also arrived with upgrades for the Camera and Gallery apps, while adding Power History in Settings. It also brought enhancements for HTC’s Sync Manager and minor changes for Quick Settings, Motion Launch, and Boom Sound.

As you may know, Sprint and T-Mobile already rolled out the HTC One M8 Android 4.4.3 update, and, fortunately, they users haven’t complained about issues of any kind. On the other hand Verizon is expected to bring the new update to their users sometime mid-September, with added features like Extreme Power Saving which promises up to 8 hours for each 1% of battery discharge.

Getting back to the AT&T HTC One M8 Android 4.4.3 update, the carrier failed to reveal how long it will take until the roll out will be resumed. Hopefully, the battery drain bug will be fixed soon and the update will be back on track in a couple of weeks. Unfortunately, AT&T didn’t mention anything about their plans to help the One M8 users who already updated to 4.4.3 and experiencing battery drain.

Anyway, if for some reason you get the notification to update to Android 4.4.3 don’t do it until further notice. Are there any unlucky One M8 owners who updated to 4.4.3 reading this? Are you folks experiencing battery drain? Please let your fellow M8 owners know in the comments section below.

HTC One M8 Articles

  • jsep

    My wife and I updated. We had to do a factory reset due to text messages not staying cleared when you delete them. After that not one issue. Phone was unplugged yesterday morning 8/29 at 4am it is now 8/30 6:21 am still had 50% remaining. Which going this long is a major improvement. I used to plug my phone in every night at bedtime, I didn’t need to last night 🙂 It is always a good idea to do a software reset after an update anyway, for this reason it gets rid of old crap that might conflict with the new software. I have done a reset every time with my phone and tablet when there is a new android update. I have never once had the problems people complain about. I know its a pain, but backup phone and reset. 4.4.3 after resetiing was a major battery improvement for my wifes and my M8.

  • RRaj

    I’m on t-mobile and updated yesterday. At the moment my battery is bleeding like it’s nicked an artery. I’m down to 29% after six hours. Plus I’ve been having trouble with data as well since the update. Anybody else with this issue?

  • Joel Gordanier

    I’m an AT&T customer, took the update on the 28 th and no problems so far. Battery life is great and performance seems improved. Plus LTE is working better, but it’s just hitting my area.

  • Steve O.

    Phone takes twice as long to update now and my keyboard lags everytime I hit the space button. Also my phone battery dies twice as fast and I must keep it on Power Saver at all times. Not happy with this at all.

  • Paul

    My battery simply refuses to charge above 8%. When unplugged, battery percentage drops to 5%. Phone is very warm also.

  • nerdic

    Yup – 80% at 1am. 0% at 8am. Phone display off. Sigh.

  • Non Christian

    Yesterday I relocked my boot and unrooted SuperSU. I used the RUU exe from HTC’s support. It says to have HTC Sync installed but I don’t and only have the drivers installed on my 8.1 machine. It ran very quickly with no problems. After first boot I did a factory reset and cleared the cache. I then turned off FastBoot, I disabled all of the bloatware, and only updated the things I wanted to. I let the phone update while I made all of my personal settings. Next I turned the phone off and did the battery Calibration while plugged into the charger by holding all 3 physical buttons down for 3 mins. I let the phone charge to 100% then turned it on. I did a couple of restarts. It’s been 12 hours and I’m still at 80% battery. Half of the usage is from me surfing the internet for a few hours last night..


  • Davew773

    Anyone having battery drain and data issues will need to factory reset. Make sure to try to backup your data first.

  • Dan

    when i phone, call cuts out after about 10mins then takes about 4 or 5 times to actually redial

  • I did the update the morning it rolled out. In two hours I went from a full charge to 30%…not even using my phone. Spoke with HTC tech support multiple times and could not fix the issue. Rooted and now running Cyanogenmod 11 08_04 Snapshot. Better than ever!!

  • Andy

    Data Issues for sure. I stupidly updated my phone on 8/30 and ever since I haven’t had ANY data connectivity whatsoever. There’s an X next the empty set of data bars. Toggling Airplane Mode does nothing; restarting doesn’t do anything and I need to back up all my personal stuff in order to do a master reset which is about the only thing I can think to do barring taking the phone back to T-Mobile. WiFi works but I didn’t buy a phone and don’t pay for data so I can be tied down to WiFi networks.

  • loveliemomma

    My phone automatically updated a few days ago. Since this time, my battery drains so much faster now. My phone would last about 14 hours with video playing, game playing and. Social media use. If I didn’t use it much my battery would last till the following day. Today my battery has been off the charger for 7 hours since being fully charged and is on 34%. I am very unhappy with this update and what it has done to my battery life. I hope this matter is resolved because I absolutely love my phone. I’ve only had it since August 3rd.

  • phillip07

    Mine is the same since update battery lost 30% just in my pocket any ideas welcome

  • Nadim Hossain Sonet

    I bought an unlocked version of HTC ONE M8 in Bangladesh. Having the battery drain issue after updating to 4.4.4

  • kevhong

    HTC, and its peers, have nailed the basic smartphone experience, and design is one of the places where extra effort really shows; HTC has put in that effort, and deserves the reward of high praise for having done so.