Solutions for solving ACER LIQUID Z5 DUO (Z150) problems. This is dual simcard smartphone from ACER. We can use 2 simcard together, to received phone or sms like usual. The first GSM simcard use standard size and the second GSM simcard using micro SIM card. Please note, the ACER LIQUID Z5 DUO (Z150) is dual GSM-GSM network card. We can not use this phone for CDMA.


What is Advantage of  ACER LIQUID Z5 DUO (Z150) Specifications:

LCD 5 inches screen
Internal memory 4 GB
External memory microSD, up to 32 GB
Main Camera 5 MP, 2592 х 1944 pixels, LED flash
Processor Dual-core 1.3 GHz Cortex-A7
Operating system v4.2 (Jelly Bean)
Battery Li-Ion 2000 mAh



What to do for Solve and Recovery if ACER LIQUID Z5 DUO (Z150) get hang or not responding or malfunctions or hang or stuck or freezing or bricked problem?

The ACER LIQUID Z5 DUO (Z150) have 5 inches LCD screen. We will have fun to use this phone for playing Games, doing office work without getting problem when typing, because the screen is big enough. There are many applications that we can download from Google Play Store, but we have to know that not all applications will run well at this phone. Sometime some applications can make problems like hang or stuck or bricks or frozen or blank or boot logo loop or LCD touch screen not responding. If we get this problem, we should try to force reboot or force soft reset ACER LIQUID Z5 DUO (Z150). If the problem still happen, then we should try to do hard reset or master format.


How to Force Soft Reset or Reboot or Restart ACER LIQUID Z5 DUO (Z150) ?

The easy way to force reboot or force soft reset ACER LIQUID Z5 DUO (Z150) by open the back case and remove the battery, wait about 5 seconds, after that put the battery again in the right positions. After that press POWER button for turn it on. When the phone work normal or LCD screen still responding, we also can do soft reset or reboot or restart by press and hold POWER BUTTON for several seconds, we will see the pop-up menu to restart/reboot or turn off. Choose restart/reboot than the ACER ACER LIQUID Z5 DUO (Z150) will do the soft reset or restart. This step is safe because it will not remove any important data.


#Option 1, Hard Reset ACER LIQUID Z5 DUO (Z150) with Software Menu :

  1. Turn on ACER LIQUID Z5 DUO (Z150)
  2. Make sure the battery already charge properly
  3. You better to backup all important data
  4. Go to menu: Setting > Privacy > Factory Data Reset > Reset  
  5. Choose Erase everything to continue and confirm you ready to do the format ACER LIQUID Z5 DUO (Z150)
  6. The ACER LIQUID Z5 DUO (Z150) will continue the step until ready to use in clean factory default.




#Option 2, Hard Reset ACER LIQUID Z5 DUO (Z150) with Hardware Key Button:

  1. Please check that the battery is not empty
  2. Do not forget to backup all important data
  3. Turn off the ACER LIQUID Z5 DUO (Z150)
  4. Press and Hold Power Button + Volume Up together until the smartphone show menu at LCD
  5. Choose Recovery Mode menu. Navigate with Volume Up and press Volume Down to OK or Choose it
  6. Wait until Android logo appear, and press Power Button
  7. Choose Wipe data/factory reset menu. Navigate with Volume Down and press Volume Up to Ok or Choose it (different with no.5 for volume button)
  8. Follow the menu at LCD screen to continue the hard reset ACER LIQUID Z5 DUO (Z150)


How to Restore and Reinstall Clean Android Operating system at ACER LIQUID Z5 DUO (Z150) ?

The factory default operating system of ACER LIQUID Z5 DUO (Z150) is Android Jelly Bean. Sometime because of wrong setting or error from installed applications, the operating system can be damage or not work normally. In this case, maybe we would like to reinstall or restore the factory default operating system. We have to know that the clean factory default operating system already saved inside ACER LIQUID Z5 DUO (Z150) ROM. So we should not have to copy from outside this phone when we need to do reinstall the operating system or firmware. Just follow the hard reset steps above, then the clean factory default operating system will be reinstall by itself at ACER LIQUID Z5 DUO (Z150).


How to Unlock or Fix or Solutions for ACER LIQUID Z5 DUO (Z150) forgot password code or security lock screen pattern or pin (lost password)?

There are several options to make our ACER LIQUID Z5 DUO (Z150) smartphone become secure. We recommended to use screen lock pattern or password pin protections. The problems will happen when we forget the answer for that security protections. But do not worry, because Google already have steps to bypass or unlock forgotten security screen lock pattern or password pin protections. Please try to give several time wrong answer until the phone freeze for several seconds. In this time, we will find Forgot Password / Pattern button. Press that button, then we can unlock or bypass forgotten security pattern or password protection using Google account or Gmail account that already saved before. If we still can not access Google account or Gmail account, then we should do hard reset or master format.



How to Improve Performance ACER LIQUID Z5 DUO (Z150) to make run more faster?

Some ACER LIQUID Z5 DUO (Z150) users maybe have problems with slow or lag when access or running some applications. Usually this problem happen because we have many applications run in the background together. When we download applications from Google Play Store, some of that applications will stay running in the background to wait some command or wait for update data. This background applications will need some memory RAM and also they will use some processor resource when doing their activity. Therefor we should remove or uninstall not use applications to make our RAM and processor work better. If we need to make ACER LIQUID Z5 DUO (Z150) performance run faster again like new, then we should do hard reset or master format.


Is That Any Secret Code for Doing Format ACER LIQUID Z5 DUO (Z150)?

There is no secret hidden code for ACER LIQUID Z5 DUO (Z150) to make it back to factory default. Do the options above to hard reset it.


How to Upgrade ACER LIQUID Z5 DUO (Z150) Operating System or Firmware to Android Kitkat ?

Until we write this solutions, Acer still not release official Android Kitkat version 4.4+ for ACER LIQUID Z5 DUO (Z150). But we still can try to check it anytime to make sure our ACER LIQUID Z5 DUO (Z150) operating system get the latest update firmware by using Menu Setting > About Phone > System Update > choose Check Now. Once get update then we will received more information about related new operating system update.


Latest Discussions & Share Information:

[Q] the all applications of my acer z150 has been stoped then ad problem.. can you help me?
[A] Hi, we suggest you to do hard reset to reinstall factory default operating system. This process will also remove all downloaded applications and restore all factory default applications as well at your Acer Z150. If you can not go to menu setting, then please follow steps at #option 2 above to reformat using hardware button combination key.

[Q] my acer z150 is not starting and on screen it dispays factory mode auto test manual test item test test report debug test clear emmc version reboot WHAT SHOULD I DO
[A] Hi, please try to choose Factory mode to reformat your Acer Liquid Z5 operating system to factory default.

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