Information and tips how to solve problem at ACER LIQUID Z4 (DUO) / ACER  Z160. This is the dual-core smartphone with interesting price. The LCD touch screen using 4 inches TFT and by default it use Android Jelly Bean operating system. There are two type of Acer Liquid Z4 / Acer Z160, the single simcard GSM and double/dual simcard GSM-GSM which can active together to received phone. For cheap Android smartphone, ACER LIQUID Z4 (DUO) / ACER  Z160 give better performance for camera, because it already have light Flash to help taking images in low light situations. Although ACER LIQUID Z4 (DUO) / ACER  Z160 does not have front camera, but this phone have Selfie button bellow the camera in the back body to help us taking selfie picture from the back easily.

 

What is Advantage of  ACER LIQUID Z4 (DUO) / ACER  Z160 Specifications:

GSM 3G Dual Sim GSM-GSM
LCD 4 inches screen
Internal memory 4 GB
RAM 512MB
External memory microSD, up to 32 GB
Main Camera 5 MP, 2592 х 1944 pixels, LED flash + Selfie Button
Processor Dual-core 1.3 GHz Cortex-A7
Operating system v4.2 (Jelly Bean)
Battery Li-Polimer

 

 

What to do for Solve and Recovery if ACER LIQUID Z4 (DUO) / ACER  Z160 get hang or not responding or malfunctions or hang or stuck or freezing or bricked problem?

ACER LIQUID Z4 (DUO) / Z160 have standard specifications, it can be run nicely and smooth for daily activity applications like Browsing with Chrome or Firefox or default browser, Facebook, Chatting BBM, Whatsapp, Twitter and some other applications that can be download from Google Play Store. But we are not recommended to install many applications, because the internal RAM only have 4GB, maybe sometime you will get low internal memory size / insufficient memory on device. We also have to know that some applications at Google Play Store are not compatible with our phone, sometime it will make our ACER LIQUID Z4 (DUO) / Z160 become hang or stuck or bricks or broken or blank or boot loop or LCD touch screen not responding. If we get this problem, we have to force shutdown or force soft reset or restart or reboot. If the problem still happen then we need to do hard reset or master format ACER LIQUID Z4 (DUO) / Z160. Before doing hard reset, do not forgot to do backup for all important data because all data and installed applications will be wipe or erase from our ACER LIQUID Z4 (DUO) / Z160.

 

How to Force Shutdown or Soft Reset or Reboot or Restart ACER LIQUID Z4 (DUO) / ACER  Z160 ?

If our ACER LIQUID Z4 (DUO) / Z160 start to act not normal or the phone freeze in the middle of running applications, we need to force shutdown or soft reset using several steps. The recommended and easy steps to force soft reset is by removing the battery after remove the back case carefully. Wait about 5 seconds then put again the battery at the right positions. Press Power button to turn it on again. Doing soft reset will remove any temporary files and cache which sometime can make our ACER LIQUID Z4 (DUO) / Z160 become stuck or not work properly. We can also doing restart while the phone still work or ON by press and hold Power button until pop-up menu appear to shutdown or turn off or restart. Doing soft reset is safe, nothing will be remove or uninstall, therefore we can do this soft reset anytime we want.

 

#Option 1, Hard Reset ACER LIQUID Z4 (DUO) / ACER  Z160 with Software Menu :

  1. Turn on ACER LIQUID Z4 (DUO) / Z160
  2. Make sure the battery already charge properly
  3. You better 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 ACER LIQUID Z4 (DUO) / Z160
  6. The ACER LIQUID Z4 (DUO) / Z160 will continue the step until ready to use in clean factory default.

 

 

#Option 2, Hard Reset ACER LIQUID Z4 (DUO) / ACER  Z160 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 Z4 (DUO) / Z160
  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 Z4 (DUO) / Z160

 

How to Restore and Reinstall Clean Android Operating system at ACER LIQUID Z4 (DUO) / ACER  Z160 (Reformat) ?

After using for several period with many installation of applications, sometime the phone become act not normal. Maybe the operating system or firmware of ACER LIQUID Z4 (DUO) / Z160 already broken and makes this phone can not work properly. At this situations we should do reinstall or restore factory default operating system to make our phone work normal again. We need to know that the file source of clean factory default Android Jelly Bean operating system or firmware already saved inside ACER LIQUID Z4 (DUO) / Z160 ROM. If our phone need to be reinstall operating system, please follow the hard reset or master format steps above, then the operating system will be reinstall automatically. But please remember doing reinstall is the same with reformat or hard reset, then all data and installed apps will be removed and back to factory default applications.

 

How to Unlock or Fix or Solutions for ACER LIQUID Z4 (DUO) / ACER  Z160 forgot password code or security lock screen pattern or pin (lost password)?

We always suggest the ACER LIQUID Z4 (DUO) / Z160 to give more security protections to make our data safe while this phone away from us. There are some security options that already available at this phone, but we are recommended to use screen lock pattern because it easy and fast to open. Some users also like to use password pin protection or other options to secure the phone. The problem happen when we forget the answer of screen lock pattern or password pin security protections. Do not worry, because we can bypass or unlock forgotten security protection using Google account or Gmail username and password. Please give several time wrong answer continuously until our ACER LIQUID Z4 (DUO) / Z160 freeze for about 30 seconds. While phone freeze, we will find Forgot Password / Pattern button to unlock our phone using Gmail account that we have already signed in before. If we can not access Google account then we have to do hard reset or master format.

 

How to Improve Performance ACER LIQUID Z4 (DUO) / ACER  Z160 to make run more faster?

 

Since the processor and internal memory and RAM of ACER LIQUID Z4 (DUO) / Z160 is limited then we are not recommended to install many applications beside some that you use for daily activity. For users who feel that the ACER LIQUID Z4 (DUO) / Z160 become slowly usually happen because there are many applications installed and run in the background. Some applications that we installed from Google Play Store will keep run in the background although we never tell it to run, that applications need to run in the background for waiting some command or update data to Internet. If many applications run together then the RAM will be insufficient and will make the phone run more slowly. Please remove some not use applications. If we want to make ACER LIQUID Z4 (DUO) / Z160 performance run faster again like new, then we have to consider do hard reset or master format.

 

Is That Any Secret Code for Doing Format ACER LIQUID Z4 (DUO) / ACER  Z160?

There is no secret hidden code for ACER LIQUID Z4 (DUO) / Z160 to make it back to factory default. Do the options above to hard reset it.

 

How to Upgrade ACER LIQUID Z4 (DUO) / Z160 Operating System or Firmware to Android Kitkat ?

Until we finish writing this information, Acer still not release official Android Kitkat version 4.4+ for ACER LIQUID Z4 (DUO) / Z160. Actually using Jelly Bean at this phone is already good without problems, therefore we do not need to force upgrade to Android Kitkat operating system. We still can check anytime to make sure our ACER LIQUID Z4 (DUO) / Z160 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.

 

Why we can not Run More Multitasking at ACER LIQUID Z4 (DUO) / ACER  Z160 ? 

By default the ACER LIQUID Z4 (DUO) / Z160 will only allow us to run about 4 applications for multitasking, maybe Acer try to give better user experience because of limited RAM.

 

How to make Battery ACER LIQUID Z4 (DUO) / ACER  Z160 Not Fast To Drain and Longer Life ? 

There are some options to make prolong our ACER LIQUID Z4 (DUO) / Z160 battery can life longer and not fast to drain. Please do not use the full brightness of LCD screen, although we use Auto brightness, but if we always use it at outdoor then the LCD brightness will automatically turn into full, and this conditions will make our ACER LIQUID Z4 (DUO) / Z160 battery fast to drain, at some situations please consider to use manual low display brightness. If we are not use some connection, please turn off the Bluetooth or Wifi or GPS connection, it will safe the battery life. Do not run many applications together, because running applications will make our battery empty faster. Using camera with Light Flash also need more power battery, please consider to use light flash when the battery near to empty.

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