Solutions for fix problem at LENOVO VIBE Z K910. The LTE smartphone with 5.5 inches LCD screen. This phone have 16GB internal memory and 2GB RAM for more multitasking applications. LENOVO VIBE Z K910 also seriously take care for good photo with 13 megapixel camera and also have light flash to help user take better pictures at low light conditions.


What is Advantage of LENOVO VIBE Z K910 Specifications:

LCD 5.5 inches touch screen
Internal memory 16GB
Main Camera 13 MP, 4128 x 3096 pixels, autofocus, LED flash
Front camera for Picture and Video conference at 5MP
Processor Quad-core 2.2 GHz Qualcomm
Operating system Android OS, v4.2 (Jelly Bean) can be upgrade to Kitkat v.4.4
Battery Li-Ion 3000 mAh



How to Fix or Problem Solving for Recovery LENOVO VIBE Z K910 hang or not responding or malfunctions or stuck or freezing or bricked ?

The processor of LENOVO VIBE Z K910 is impressive using Qualcomm Quad core at 2.2 Ghz clock speed will give us more power to run applications and as it have 16GB Internal memory, then we can download many applications from Google Play Store. But we should know that some applications maybe not compatible with this phone, if by accident we have installed that apps then maybe some trouble can be happen to our phone like hang stuck or bricks or broken or frozen or blank or lcd touch screen not responding. At this situations we should do force soft reset or force reboot to shutdown the LENOVO VIBE Z K910 and automatically remove cache and temporary files which created by that applications. If the problem still happen, then we should have to do hard reset or master format. Please remember, doing hard reset or master format will delete any important data and applications at LENOVO VIBE Z K910. Therefore, we should do backup for all important data before doing hard reset.


How to force Soft Reset or Reboot or Restart LENOVO VIBE Z K910  ?

If our phone become stuck or get trouble in the middle of running applications, then sometime the LCD screen is freeze and can not response to our finger touch. At this time we should do force soft reset or force reboot or restart to shutdown the phone. Please try and hold for several seconds POWER Button until the LENOVO VIBE Z K910 shutting down by itself. After the phone completely turning off, then we should press POWER Button again to turn on the phone. Doing soft reset can be done anytime and will not remove any important data. If our LENOVO VIBE Z K910 still can run normally, but we need to do soft reset or reboot, press and hold POWER Button several seconds until the pop-up menu appear, then choose reboot or shutdown to do soft reset.


#Option 1, Hard Reset LENOVO VIBE Z K910 with menu setting:

  1. Turn on the LENOVO VIBE Z K910
  2. We suggest to charge the battery full
  3. Make sure you already backup all important data, because it will deleted from LENOVO VIBE Z K910
  4. Go to Menu Setting > Storage > Factory Data Reset
  5. Choose Reset Phone, continue with Erase Everything
  6. The LENOVO VIBE Z K910 will do the master reset until it finish



#Option 2Hard Reset LENOVO VIBE Z K910 with Hardware Button key:

  1. Confirm and make sure that LENOVO VIBE Z K910 Battery is fully charge or not empty
  2. Turn off LENOVO VIBE Z K910
  3. Press together : POWER + VOLUME UP about several second, that the warning will appear at the LENOVO VIBE Z K910
  4. Choose: Reset Device or Wipe data or Clear eMMC 
  5. Make sure we already sure than we know that our application and data will be loose or clear while Resetting LENOVO VIBE Z K910


How to Restore and Reinstall Clean Android Operating system / firmware at LENOVO VIBE Z K910?

When the first time LENOVO VIBE Z K910 ship for market, the operating system use Android Jelly Bean. But now, we can find the update of Android Kitkat for LENOVO VIBE Z K910. By default the file source of operating system or firmware already saved safely inside LENOVO VIBE Z K910 ROM. So, if we never do update to Kitkat, then the source file is still Jelly Bean. If we have already done the update, then the source file inside LENOVO VIBE Z K910 ROM will be replace with Android Kitkat as well. If our phone operating system get some trouble, then we need to reinstall or restore, then we just need to simple do hard reset or master format, then the clean factory default operating system will reinstall automatically. Please note, doing reinstall operating system also will wipe or remove all important data, please do backup first.


How to Unlock or Fix or Bypass or Solutions for LENOVO VIBE Z K910 forgot password code or security lock screen pattern or pin (lost password)?

With 13 megapixel camera, the LENOVO VIBE Z K910 user will take more pictures because it give good result to save. We strongly recommended user to give security protections like screen lock pattern or password pin or any other options to secure our data when our phone away from us. The problem happen when we forget the screen lock pattern or password pin protection answer. Do not worry, because we still can unlock or bypass forgotten security protection using Google account or Gmail username and password. Please give several time wrong answer continuously until the phone freeze for several seconds. At this freeze moment, our LENOVO VIBE Z K910 screen will show Forgot Password / Pattern button to bypass our forgot security protection user Google account that we have already signed in before. If we still can not access Google account, then we should do hard reset with hardware button.


How to Improve Performance LENOVO VIBE Z K910 to make run more faster?


We can download many applications from Google Play Store. Basically it is safe because our LENOVO VIBE Z K910 have 2GB RAM. But bigger RAM is not unlimited, the 2GB still have limitation. As we know if we install some applications at Google Play Store, some applications will keep run in the background without our notice. If there are many applications run in the background, then the RAM and processor resources will be limited and start to run slowly. Please try to reduce or uninstall some not use applications to give more RAM free and make the speed not slowly. If we want to make our LENOVO VIBE Z K910 performance run faster again like new, then we should do hard reset or master format.


Is That Any Secret Code for Doing Format LENOVO VIBE Z K910?

There is no secret hidden code for LENOVO VIBE Z K910 to make it back to factory default. Do the options above to hard reset it.


How to Update or Upgrade LENOVO VIBE Z K910 operating system to Kitkat ?

Lenovo LENOVO VIBE Z K910 already get update for Android Kitkat. The upgrade is publish via Over The Air or OTA. It mean we need to use Internet connection to upgrade Android Kitkat operating system at LENOVO VIBE Z K910. Please check the latest update via Software Menu > About Phone and follow the menu to update.

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