Tips and tricks to solve problems at HUAWEI GR3. This is cheap middle end smartphone from Huawei which use 5 inches LCD screen width. To make this phone more capable for playing movie, the screen resolutions is using HD with 720p resolution, we will not get any problems when playing streaming video from Youtube or playing offline movie files with default video player. Find more information about review and how to fix HUAWEI GR3 trouble at community. This phone have dual simcard with 4G LTE data broadband.


What is Advantage of HUAWEI GR3 Specifications?

Network GSM 3G HSDPA + 4G LTE Dual simcard slot
LCD 5 inches
Processor Octa core, 1.5 GHz, Cortex-A53
GPU  Mali-T720
Memory Internal 16 GB
External Memory 64 GB
Main Camera 13 MP, autofocus, LED flash
Front Camera 5 MP for video conference
Operating System Android Lollipop version 5.1
Battery Li-Po 2200 mAh



How to backup data or Contact at HUAWEI GR3?

We can use microSD external card to copy or move important files using File Manager applications. If our HUAWEI GR3 has already signed in with Google account, by default our contact will be synchronize in the background to Google server. Please make sure we check all contact at Google contact server using Internet browse to make sure backup is done.


#Option 1, Hard Reset HUAWEI GR3 with Software Menu :

  1. Make sure the battery is charge properly
  2. Turn on HUAWEI GR3 smartphone
  3. Don’t forget to backup all important data
  4. Go to menu: Setting > Backup & reset > Factory Data Reset > Reset Phone 
  5. Choose Erase everything to continue and confirm you ready to do the format HUAWEI GR3
  6. The HUAWEI GR3 will continue the step until ready to use in clean factory default.


hard reset huawei gr3

#Option 2, Hard Reset HUAWEI GR3 with Hardware Key Button :

  1. Please make sure the battery is not empty
  2. Turn off HUAWEI GR3
  3. Press and Hold together: Power Button + Volume Up Button for several seconds
  4. Follow the menu at LCD screen to continue the hard reset HUAWEI GR3, use Volume Down or Volume Up button to moving, and press Power Button to Ok or Enter or Confirm



#Option 3, Hard Reset HUAWEI GR3 with MicroSD card Firmware Update:

  1. Make sure the battery if fully charge
  2. Turn off the HUAWEI GR3
  3. Remove the MicroSD and connect to computer or PC
  4. Download firmware from computer browser
  5. Choose the HUAWEI GR3 support and download the same version of firmware or update firmware
  6. Extract the downloaded folder, and copy all folder (include folder) into main root location of MicroSD
  7. Insert again the MicroSD to HUAWEI GR3
  8. Turn on Phone together with press and hold Power + Volume Up + Volume Down button until the Android logo appear
  9. Wait the process of update or reinstall the firmware will be less then 10 minutes.
  10. You can also update firmware using Updater applications at this phone.


Is That Any Secret Code for Doing Format HUAWEI GR3 ?

There is no secret hidden code for HUAWEI GR3 to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at HUAWEI GR3

There are two phone memory type at HUAWEI GR3, one is internal memory and the other one is external memory. If we want to format internal memory phone then we have to do hard reset or reformat the operating system of HUAWEI GR3 as well. Please use menu setting to do hard reset or reformat using #option 1 above, but make sure to give checkbox mark at Erase Internal SD card / Internal storage. Then it will reformat the factory default operating system and remove or erase any data inside internal memory.

To reformat or wipe or erase all data at external memory, we can use menu Setting > Storage > Erase Internal Storage / SD Card. Please always make sure all data has already backup before reformat or wipe everything, because it is hard to recover formatted / wiped data at internal or external storage.


How to Make Battery of HUAWEI GR3 Stronger, Life Longer and Not Fast to Drain ?


Using 5 inches LCD screen, HUAWEI GR3 will need bigger battery to make this phone can work one day without recharge. Basically the battery capacity of HUAWEI GR3 is not too small for this specifications, but sometime we have to do some adjustment to make battery can work longer. First we have to adjust LCD screen brightness as low as possible to reduce battery consumption. To make battery of HUAWEI GR3 can work stronger, we also have to disable not use applications like GPS or Wifi or Bluetooth.