Tips and solutions for fix LENOVO A3690 problems. This is dual simcard GSM-GSM that can standby together, using 5 inches LCD screen and have octa core processor with 1 GB RAM for multitasking applications. For take good photography, LENOVO A3690 use 8 megapixel main camera at back side and 2 megapixel for front camera.


What is Advantage of LENOVO A3690 Specifications:

LCD 5 inches
Internal memory 8 GB
External memory microSD, up to 32 GB
Main Camera 8 MP
Front Camera 2 MP for video conference
Processor Quad-core 1.0 GHz Cortex-A53
GPU Mali-T720MP2
Operating system Android version 5.1 (Lollipop)
Battery Li-Po 2300 mAh



How to Fix or Problem Solving for Recovery LENOVO A3690 hang or not responding or malfunctions or stuck or freezing or bricked ?

This phone have 8 GB internal memory to keep operating system and several factory default applications. We can add more interesting applications from Google Play Store like Facebook, Instagram, Whatsapp, WeChat, Line Messenger, Blackberry Messenger (BBM), Skype, Viber and many more. But we have to be careful before install not famous applications because some of them may contain viruses or malware that can make our LENOVO A3690 hang or stuck or bricks or frozen or boot logo loop or LCD touch screen not responding with our finger touch. In this case, we have to force shutdown or force reboot or force soft reset to restart all running applications also remove temporary files and caches. After LENOVO A3690 can boot normally, then we can try to install good antivirus applications from Google Play Store and scan all viruses inside this phone or bad setting. If this problems still get trouble, then we have to do hard reset or master format, but please note, doing hard reset will remove all important applications, therefore we have to backup all important files or pictures or data inside LENOVO A3690 before doing hard reset.


How to Force Shutdown or Force Soft Reset or Force Reboot or Force Restart LENOVO A3690?

When this phone start get trouble or hang or LCD touch screen not responsive in the middle or running applications, then we have to force soft reset or force reboot to clean temporary files and caches. Please remove back cover case of LENOVO A3690, remove the battery and wait about 5 seconds. After that put again this battery inside this phone and press POWER button to turn this phone ON. This process will not remove any important thing, that is why we can do this process anytime we want. If our LENOVO A3690 still work normally but we willing to remove temporary files and caches, then we can press and hold POWER button until pop-up menu appear, then choose Shutdown / Reboot / Power off menu.

#Option 1, Hard Reset LENOVO A3690 with menu setting:

  1. Turn on the LENOVO A3690
  2. We suggest to charge the battery full
  3. Make sure you already backup all important data, because it will deleted from LENOVO A3690
  4. Go to Menu Setting > Storage > Factory Data Reset
  5. Choose Reset Phone, continue with Erase Everything
  6. The LENOVO A3690 will do the master reset until it finish


hard reset lenovo a3690

#Option 2Hard Reset LENOVO A3690 with Hardware Button key:


  1. Confirm and make sure that LENOVO A3690 Battery is fully charge or not empty
  2. Turn off LENOVO A3690
  3. Press together : POWER + VOLUME UP about several second, that the warning will appear at LENOVO A3690
  4. You can also try to press POWER BUTTON until Lenovo logo appear, then continue press VOLUME UP + VOLUME DOWN together until menu appear
  5. Choose: Reset Device or Wipe data or Clear eMMC 
  6. Make sure we already sure than we know that our application and data will be loose or clear while Resetting LENOVO A3690
How to Restore and Reinstall Clean Android Operating system / firmware at LENOVO A3690 (Reformat)?

When the best time to reformat LENOVO A3690 operating system? At the first time we activate this phone, LENOVO A3690 already installed with Android Lollipop operating system and ready to use. However, after use several time and install many applications, than sometime it can become crash and make LENOVO A3690 operating system damage or corrupt. At this time we need to reformat or reinstall with factory default operating system. First we have to know that clean factory default Android operating system file source already saved safely inside LENOVO A3690 ROM. Therefore we do not need to copy or connect with other device. Simply follow easy steps to hard reset above, then clean factory default Android Operating system will be reinstall automatically.


How to Unlock or Fix or Bypass or Solutions for LENOVO A3690 forgot password code or security lock screen pattern or pin (lost password)?

After use this phone several month, we will have many important photo, video or any other files. Therefore we need to give security screen lock protections to make our data keep secure when LENOVO A3690 away from us or stolen or lost. There are several factory default options like screen lock pattern or password pin protections. The problem start when we forgot security protections answer, what should we do? Do not worry, because we can bypass or unlock forgot security screen lock patter or password pin protections using Gmail account. Please turn on this phone, then give several time wrong answer until LENOVO A3690 locked or freezing 30 seconds. At this conditions we will find Forgot Password / Pattern button, press this button then we can bypass or unlock forgot security protections at LENOVO A3690 using Gmail username and password that we have already signed in before. If we can not access our Google account at this phone, then we have to do hard reset with hardware button combination key above.


How to Improve Performance LENOVO A3690 to make run more faster?

LENOVO A3690 have Quad Core processor from Mediatek, some review said it have good performance when use for daily applications, especially LENOVO A3690 can run HD games without problems with dedicated GPU (graphic processor unit) Mali-T720MP2. Why some users get slowly problems at LENOVO A3690? Usually this problems happen because there are some applications use processor resources and RAM too much. We have to know that some applications at Google Play Store will keep run in the background to wait data update like social media or games or chatting apps. All applications will need some amount of RAM, if many of them run together then our LENOVO A3690 will become slowly because processor resource and RAM become insufficient. Therefore we have to uninstall some not use applications. If we want to make our LENOVO A3690 performance run faster again like new, then please consider to do hard reset or master format.


How to Update LENOVO A3690 operating system for Android Marshmallow (firmware upgrade) ?

The first time release in the market, LENOVO A3690 use Android Lollipop as factory default Android operating system. At the time we make this information, Lenovo still not give any information when they will give Android Marshmallow upgrade for LENOVO A3690. But maybe we will find some non standard custom ROM with rooted features at several community, but we are not recommended to install with custom ROM, because usually some features will not work perfectly and some wrong steps can make our LENOVO A3690 become trouble. Please keep use standard ROM for LENOVO A3690.



Is That Any Secret Code for Doing Format LENOVO A3690 ?

There is no secret hidden code for LENOVO A3690 to make it back to factory default. Do the options above to hard reset it.