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HTC One M8 Problems, Glitches, Questions, Errors and Solutions [Part 38]

Welcome to the 38th part in our series of troubleshooting articles dedicated to the HTC One M8. Now that the M9 has already been released this model is no longer the flagship device of the company. It is still however a very capable smartphone and is even better than most of the current flagship models of other brands.

htc one m8

In this latest installment of the series we will tackle some of the latest emails we have received from our readers concerning this device.

If you own an HTC One M8 or any other Android device for that matter then feel free to send us an email at [email protected] regarding any issue that you may have with your device. We will be more than happy to help you with any concern that you may have. This is a free service we are offering with no strings attached. We however ask that when you do send us an email try to be as detailed as possible so that an accurate assessment can be made and the correct solution can be given.

If you would like to check out the previous parts in this series then head out to this link.

Aside from sending us an email you may also contact us through our Facebook and Google+ social media accounts.

M8 Reset Window Keeps Appearing

Problem: Hello my name is Taylor Brooke Forbord. I have had my HTC for a year now and I am very satisfied with it. Until recently my phone has a mini window that appears asking me to reset the device by holing up volume and the power button for 10secs. It happens all the time whether I am checking my email, texting, etc. It pops up and will only go away if I tap the power button once. When I hit home button it screenshots it. I checked all my recent apps and uninstalled them and I have never had this problem before with my other apps. Any suggestions I am trying not to factory reset my phone.

Solution: This could already be a hardware related issue, probably a faulty power button. You should however verify if this is a software related issue by backing up your phone data and doing a factory reset.

  • Press and hold the Power button
  • Tap Power off.
  • Press and hold the Volume Down key.
  • Press and release the Power key to turn the phone on.
  • Continue holding the Volume Down key.
  • Release the Volume Down key when the three Android images appear on the bottom of the screen.
  • Press the Volume Down key twice to move the cursor from FASTBOOT to FACTORY RESET.
  • Press the Power key to perform the master reset.

If the issue persists then bring the phone to an authorized service center and have it checked.

M8 Not Working After Getting Wet

Problem: I have a htc one m8 I went to the pool it sank for five seconds then I said that nothing will happen I put it in my bag then  when I came back I found it vibrating and the screen is off I went to the pro he dried it and opened the phone and then it worked but after 30 minutes the screen opens and close suddenly and sometimes it works properly and closes again now its not working at all ,and the screen was not giving good resolution and the camera not working properly and I heard about rice solution but I said you could help me

Solution: Since your phone got dunked in water it’s likely that it has caused damage to some components inside your phone. You need to bring your phone to an authorized service center and have it thoroughly checked.

M8 Keyboard / Gmail Issues After Lollipop Update

Problem: Hello!!! I have some issues with my phone and I don’t know how to solve it.

  • Sometimes keyboard just doesn’t appear anymore if I would like to text. And then I have to do restart.
  • Gmail “unfortunately has stopped working”

My phone has android 5.0.1. And to be honest before updating everything run smoothly. I hope you can help me.

Solution: For the keyboard issue that your phone has this appears to be an issue with the software update of the phone. Most owners of this device who are experiencing the same problem say that installing a third party keyboard helps. Locking and unlocking your phone a few times also temporarily solves the issue. For a more permanent solution you should check for any new software updates that may be available for your phone that may address this issue.

For the issue regarding the Gmail app try clearing the cache and data of the app.

  • From any Home screen, tap Apps.
  • Tap Settings.
  • Scroll to ‘PHONE,’ then tap Apps.
  • Scroll left to the ALL tab.
  • Tap the Gmail application.
  • Tap Clear Cache.
  • Tap OK.
  • Tap Clear Data.

M8 No Display After Phone Dropped

Problem: Hello my wife dropped her phone and it got smashed. It was in an otter box and the screen is not cracked but the phone gets hot and it will not light up. You can still answer calls and hear people talking but you have to just guess at where the answer button is. What can I do? Is there anywhere I can send it? Or is it something I can fix? I have worked on iPhones but never an htc. Thanks

Solution: It looks like the display of your phone has been damaged. You should bring your phone to an authorized service center and have it checked. It’s very likely that the display will be needing a replacement.

M8 Unfortunately Messages Has Stopped Error

Problem: Hi! I’m having a little trouble with my phone. It’s giving me this error “Unfortunately messages has stopped” every time I enter the text messages. Attached is a picture of the error. Hope you guys can help!

Solution: You should clear the cache and data of your messaging app to resolve this issue.

  • From any Home screen, tap Apps.
  • Tap Settings.
  • Scroll to ‘PHONE,’ then tap Apps.
  • Scroll left to the ALL tab.
  • Tap the Messaging application.
  • Tap Clear Cache.
  • Tap OK.
  • Tap Clear Data.

M8 MicroSD Card Files Missing

Problem: Hi, I recently bought the HTC one m8, I put my 64g memory card in, and it worked perfectly fine, then after a few hours, I went through my pictures and music, and I had nothing there, it says no files, as if my memory card isn’t in, I take the memory card out and back in again, and it works, then the same, after a few hours, nothing again, I don’t know why this is happening or how to fix it, if you could help me please

Solution: This may be caused by a glitch in the phone software. You should try wiping the cache partition of your phone and see if this resolves the issue.

  • Press and hold the Volume Down key.
  • Press and release the Power key to turn the phone on.
  • Continue holding the Volume Down.
  • Release the Volume Down key when the three Android images appear on the bottom of the screen.
  • Press the Volume Down key once to move the cursor from FASTBOOT to RECOVERY.
  • Press the Power key to begin the wipe.
  • The device displays the bootup screen followed by a phone with a red triangle.
  • Press the Up Volume key and Power key at the same time.
  • Press the Down Volume key three times to select Wipe cache partition.
  • Press the Power key to initiate the wipe.
  • Wait until the phone displays Cache wipe complete.
  • Press the Power key to select Reboot system now.

If the problem persists then try using a different microSD card on your phone. If the issue does not occur then the microSD card you are using may have a problem.

M8 Randomly Activates Car Mode

Problem: For about two days now my phone will go into car mode all by itself. I’ve tried disabling it by I can’t also I keep getting ads randomly popping up Whenever I wake my phone up. Our I’ll tap on an app and an ad will pop up. And then today my headphone jack will not work. I do not know if it’s hardware or software but I have read that’s it’s possible that the headphone and/or the usb port have dirt or other debris in them. Could you please confirm or possibly give other solutions. Thank you. also I have the HTC One M8 HK Running the most recent version of lollipop.

Solution: Since your phone is getting pop up ads the best way to proceed is to start fresh. Back up your phone data then perform a factory reset.

  • Press and hold the Power button
  • Tap Power off.
  • Press and hold the Volume Down key.
  • Press and release the Power key to turn the phone on.
  • Continue holding the Volume Down key.
  • Release the Volume Down key when the three Android images appear on the bottom of the screen.
  • Press the Volume Down key twice to move the cursor from FASTBOOT to FACTORY RESET.
  • Press the Power key to perform the master reset.

Now check if the issues still occur. The car mode issue should be gone now. The headphone issue may still occur. If it does then try using a different pair of headphones that is known to work. If the issue persists then check the audio port of your phone for any dirt or debris and clean it with a toothpick.

M8 Vibrate Not Working

Problem: Hi guys my htc one m8 vibrate just randomly stopped working while I was in the car not sure what happened I wasn’t changing any settings and I tried the HTC guide troubleshoot for vibration test and it still didn’t work thanks I hope its not a hardware problem cause this phone is 5 months old

Solution: If the vibration test fails then you should try rebooting your phone. If the issue persists then this may be a hardware related problem most likely concerning the vibration motor. Bring your phone to an authorized service center and have it checked.

M8 Not Connecting To HTC Sync Manager After Lollipop Update

Problem: Hi, Like many others after the Lollipop “upgrade” and AT&T’s update from March 2015, I was finding certain things not working, so far texts incoming and outgoing take about 6 seconds to register onscreen, LED light sort of works/blinks after recieving a call or text but seems dimmer than usual, LED light no longer comes on during charging and red LED is non existant during charging as well as green LED when charge is complete, had some problems seeing my home WiFi even though it is in the saved networks list, but no problem with work WiFi and thats intermitant. So I backed up my phone using HTC Sync Manager because I wouldn’t want to lose data right? then did a factory reset and “tada!” quite a few problems were gone and texts were lightening fast although the same problems with the LED still exist. The problem now is when I plug in the phone to my computer where all my backup info is, the HTC Sync Mgr. comes up, sees the phone, identifies it for a second and says “Loading Data”, does this for about a minute or 2 and then comes up with a message “Device unavailable, please reconnect your phone” although it is indeed connected and I haven’t moved it.I’ve seen this same problem posted on other sites but the posts are from 2014, and none of the solutions work. Any ideas on how I can get all of my back up info back onto my phone? Any info and help will be heartily appreciated. Thanks

Solution: Here’s how to solve the issue of your phone not connecting to the HTC Sync Manager.

Go to Settings > Security > then Check Unknown Sources.

Now perform these steps.

Start menu > File Manager > AndroidHtcSync2.apk (this file is located in the internal storage of your phone)> install

You should be able to connect your phone to the HTC Sync Manager.

Engage with us

Feel free to send us your questions, suggestions and problems you’ve encountered while using your Android phone at [email protected]. We read every email but can’t guarantee a timely response. Lastly, if we were able to help you, please help spread the word by sharing our posts with your friends. Thanks.