HTC U12 / U12+ Troubleshooting

This page will serve as our troubleshooting page for both the HTC U12 and U12+ and we will be posting all the links to the articles we publish on our site that seek to fix problems encountered and reported by our readers.

While the U12 and U12 Plus are powerful devices, there will always come a time that you will encounter problems and that’s when this page will become helpful. so, if you’re one of the owners of these devices and found this page while trying to find a solution to a problem, then try browsing through the links below to find the help you need.

If none of our articles can fix your problem and you badly need our assistance, you can always contact us by completing our Android issues questionnaire. Don’t worry, it’s a free service so you don’t have to worry about anything. However, we ask you to provide us with the information we need so that we know where to start or how to fix your problem.

Key Features

  • Android 8.0 (Oreo)
  • 6.0 inches, 92.9 cm2 (~80.3% screen-to-body ratio)
  • Qualcomm SDM845 Snapdragon 845
  • Expandable Memory
  • 12MP Rear-Facing Camera
  • 8MP Front-Facing Camera
  • Water & Dust Resistance
  • Fingerprint Scanner
  • 3500 mAh battery
  • Bluetooth 5.0




  • Super LCD6 capacitive touchscreen, 16M colors
  • 6.0 inches, 92.9 cm2 (~80.3% screen-to-body ratio)
  • 1440 x 2880 pixels, 18:9 ratio (~537 ppi density)
  • Corning Gorilla Glass 5 protection
  • DCI-P3 & HDR10 compliant
  • HTC Sense UI

Firmware and Processor 

  • Android 8.0 (Oreo), planned upgrade to Android 9.0 (P)
  • Qualcomm SDM845 Snapdragon 845
  • Octa-core (4×2.8 GHz Kryo 385 Gold & 4×1.7 GHz Kryo 385 Silver)
  • Adreno 630


  • 12MP Rear-Facing Camera
  • Geo-tagging, simultaneous 4K video and 9MP image recording, touch focus, face/smile detection, Auto HDR, panorama
  • can record videos at [email protected], [email protected], HDR, dual-video rec.
  • 8MP Front-Facing Camera
  • f/2.0, 1.12µm, 1080p, HDR, panorama

Battery Life

  • Non-removable Li-Ion 3500 mAh battery


  • 6 GB RAM
  • 128 / 64 GB ROM
  • microSD, up to 512 GB


  • Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
  • Bluetooth v5.0, A2DP, LE, aptX
  • comes with A-GPS, GLONASS, BDS, GALILEO
  • USB v3.1, Type-C 1.0 reversible connector


  • comes with a loudspeaker
  • 3.5mm jack
    • 32-bit/192kHz audio
  • Active noise cancellation with dedicated mic


  • Dimensions: 156.6 x 73.9 x 8.7 mm (6.17 x 2.91 x 0.34 in)
  • Weight: 188 g (6.63 oz)
  • Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
  • Pressure-sensitive buttons
  • IP68 certified – dust/water proof over 1.5 meter and 30 minutes

Problems / Solutions

 Power Issues

 Operating System Issues

 Apps Issues

 Internet / Network Issues

 Calling Issues

 Texting Issues

 Camera Issues

 Sound Issues

 Memory Issues

 Screen Issues