Tips and tricks for solving LENOVO A850 / A850+ problem. When we need Android smartphone with big LCD screen and reasonable price, then LENOVO A850 is the answer. Because LENOVO A850 have 5.5 inches LCD screen width IPS capacitive touch screen. If we like to take pictures a lot, LENOVO A850 will help you to fulfill that need by using 5 megapixel digital camera and also have LED flash to help taking better photo in low light conditions.
What is the different between LENOVO A850 vs LENOVO A850+ (PLUS) ?
Actually almost all specification are not different between A850 compare with A850 PLUS, except A850 PLUS using newer processor Mediatek MT6592M that can give maximum clock speed at Octa-core 1.4 GHz with faster GPU (graphic processor unit) Mali-450MP4 to play 3D HD Games without problems at the same 5.5. inches LCD screen.
What is Advantage of LENOVO A850 / A850+ (PLUS) Specifications:
GSM 3G HSDPA Dual SIM GSM-GSM
LCD 5.5 inches touch screen
Internal memory 4GB
RAM 1GB
External memory microSD, up to 32 GB
Main Camera 5 MP, 2592х1944 pixels, autofocus, LED flash
Front camera for VGA for Picture and Video conference
Processor Quad-core 1.3 GHz Cortex-A7 for LENOVO A850
Processor Quad-core 1.4 Ghz Cortex-A7 for LENOVO A850 PLUS
GPU Mali-400MP2
Operating system Android OS, v4.2.2 (Jelly Bean)
Battery Li-Ion 2250 mAh
How to Fix or Problem Solving for Recovery LENOVO A850 / A850+ (PLUS) hang or not responding or malfunctions or stuck or freezing or bricked ?
Having big LCD screen Android will make us feel so happy to play games or install other applications from Google Play Store. But we have to know that not all applications will run smooth in LENOVO A850 because some creator does not make their applications in good functions, especially for LENOVO A850. In this case, if we force to install unnecessary applications, sometime it will make our smartphone become hang or stuck or bricks or frozen or blank or LCD touch screen not responding. If we get this problem, we need to try doing soft reset or reboot or restart LENOVO A850 to delete cache and temporary files. If LENOVO A850 still get the same problem, we need to do hard reset or master format.
How to force Soft Reset or Reboot or Restart LENOVO A850 / A850+ (PLUS) ?
When we use LENOVO A850 and get hang or stuck or frozen problem in the middle of using applications, we can try to force reboot or restart LENOVO A850 by pressing POWER BUTTON for several seconds. If the POWER BUTTON can not work, then try to remove the battery of LENOVO A850 by open back case cover and unplug the battery for about 5 seconds. After that we can plug it again in the right positions and turn on LENOVO A850 to finish the restart or soft reset step. In normal situations, doing soft reset or reboot can be done by pressing POWER BUTTON for several seconds until the pop up menu appear, then choose Restart or Reboot to soft reset LENOVO A850. Doing soft reset is safe, because this step will not erase or wipe any important data like contact or photo or files from LENOVO A850.
How to Hard Reset LENOVO A850 with Hardware Button key:
How to Restore and Reinstall or Reformat Clean Android Operating system / firmware at LENOVO A850 / A850+ (PLUS) ?
LENOVO A850 using Android as operating system, in the first production when ship to store, LENOVO A850 use Android Jelly Bean version 2.2 which run very smooth in this smartphone. After using several month and install many applications, sometime the operating system could damage or broken. In this case maybe we need to reinstall or restore clean and factory default Android operating system or firmware. The source file of factory default Android operating system already saved inside LENOVO A850 rom. We do not need to copy any data for preparing the reinstall step. Just follow the hard reset step above, then the clean and factory default setting Android operating system will be reinstall by itself. The time to reinstall will take less than 5 minutes. Please make sure all data already backup before doing reinstall or hard reset, because all data will be wipe or removed from internal memory.
How to Unlock or Fix or Bypass or Solutions for LENOVO A850 / A850+ (PLUS) forgot password code or security lock screen pattern or pin (lost password)?
The recommended options to give security protections for LENOVO A850 is using screen lock pattern. Some user still also like to use password pin protections. We can easily choose and change how to secure our LENOVO A850 data when the phone away from us, but using screen lock pattern is faster to open then using password in some situations. The problem happen when we forget the answer of that screen lock pattern or password pin protections. We do not need to worry, because Android have option to bypass or unlock forgotten screen lock pattern or password pin protection. Please do several time wrong answer for that security protection continuously until the phone frozen or locked for several seconds. In this time, we will see Forget Password / Pattern button to help us unlock protection using Google account or Gmail account. If we can not use or Google account at this phone, then we need to do hard reset or master format.
How to Improve Performance LENOVO A850 / A850+ (PLUS) to make run more faster?
Running LENOVO A850 for Games or doing office activity will be fun if the phone does not have problem. But some user have problem with their LENOVO A850 which run more slowly then before. As far as we know, if the phone run slowly, because there are many applications run in the background and the processor LENOVO A850 performance will be working more hard when that applications doing update or work in progress. That is why we are really recommend for uninstall not use applications, especially which run in the background. If we can not find out which applications that make problem, and need to tweak LENOVO A850 performance run more faster again like beginning, then we may need to perform hard reset or master format to clean anything from our phone and run with factory default applications. After that we can carefully choose and install only specific applications that we use everyday.
Is That Any Secret Code for Doing Format LENOVO A850 / A850+ (PLUS)?
There is no secret hidden code for LENOVO A850 to make it back to factory default. Do the options above to hard reset it.
By default the shipping ROM of LENOVO A850 is Jelly Bean version 4.2.2. Base on the specifications, the LENOVO A850 can be upgrade to Android Kitkat version, but unfortunately until we write this articles, there is no official upgrade for LENOVO A850 to Android Kitkat version. However, there are some other unofficial Kitkat ROM for LENOVO A850 from other community homepage, but if we are not sure how to upgrade it, please do it carefully, because it could make our LENOVO A850 broken or can not use anymore. Using official Jelly Bean at LENOVO A850 is still recommended to use everyday without problems.
This problems also happen at newer version, LENOVO A850 still can not upgrade to official Android Nougat or Android Oreo or Android Pie, because the official development for firmware upgrade at LENOVO A850 has been discontinued.
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View Comments
Hi, I have a lenovo A850. However, since i bought it, i am unable to update the firmware or upgrade the Android version. Thats simply because when i go to settings-About device - i do not find the system update function.
Hi, maybe your Lenovo A850 already get latest firmware update, therefore you will not find any update anymore from menu Setting > About Device.
my lenovo A850 won't turn on. whenever i press the start button, only the lenovo logo will appear. i'll really appreciate if u can help me.
Hi, please try to do hard reset or reformat your Lenovo A850 to factory default using hardware button combination key like steps at #option 2 above.
hello sir
i have problem with my lenovo smartphone a850 plus..
caution box 'unfortunately, core has stop' keep appeared on my screen although i had tap 'ok' button...
this problem still happening after i made hard reset or reset to factory setting..please help me...
Hi, usually after you have done hard reset or master format, then your Lenovo A850 will restore again to factory default. If your problems still happen, then maybe whether because you ever do root or there are some other hardware trouble. Please consult with Lenovo authorize service center.
I'm using a hand-me-down Lenovo A850. There's this built in SafeBox that can be found in the File Browser (it's not a 3rd party app that was downloaded). Apparently, the original owner already created a 6-digit password and forgot what it is. Is there any way I can reset the pin/password? Thank you
Hi, because you do not have relation with the previous owner, then we suggest you to do hard reset to reformat all data, but of course your Safebox data will be remove as well.
My phone is always auto on the data connection and wifi. Im tired to turn off when its on automatically. I also do hard rexet on my fhone, but this thing still happen.
Hi, by default your Lenovo A850 GSM will automatically ON. But gou can try to change the menu setting data connection to OFF to make your GSM not connect. For wifi, please try to forgot network, then your Lenovo A850 phone will not connect to wifi anymore.
Hie sir, on the 6th of August, My lenovo A850 just lost network on both sim card and send a notification read"No Simcard detected" at the same time it became unresponsive and when it did it was very very slow. I have tried Hard reset and flashing and all sorts of trouble shoot but the problem is not rectified. I even tried other people's sim cards but the result was the same. What could be the problem that it just cant detect sim cards and is very very slow? Please help me with a solution
Hi, maybe this is because firmware version which not fit to your Lenovo A850, therefore it did not solve although you do hard reset. Please consult with Lenovo authorize service center for further check.
My A850 wifi and data keeps on and off. How to fix it
Hi, have you ever install some tweak applications like battery saver or something similar like that? Please uninstall that kind of apps at your Lenovo A850. If the problem still happen, then please do hard reset or master format. But do not forget to backup all important data at your Lenovo A850 because it will wipe or erase after finish hard reset.
Hi,I am having a850 lenova mobile.. My mobile automatically install so much apps..its malware apps..can't uninstalled.and also ad showing unwantely I m irritated about my mobile sometimes... Can I get any solutions.
Hi, at this situation usually your Lenovo A850 has already installed with malware or viruses applications, at some case it will not fix although we install antivirus applications. We suggest you to do hard reset to reformat your Lenovo A850 operating system to factory default, but please find important data and backup as you can to external memory before doing hard reset.
i hve done this...but still not working
Hi, if your Lenovo A850 has finish hard reset but still not work, then maybe it have any hardware trouble, please try to bring your phone to Lenovo authorize service center for further check.
Hi sir,make phone make me annoyed ..my screen does not open the menu and always say "Lenovo launcher isnot responding".. Can you help me :( i want to cry right now
Hi, you have to backup all important data at your Lenovo A850 then do hard reset whether using menu Setting or using hardware button combination key. It will reformat your Lenovo A850 operating system to factory default, including your default home launcher will be back work normally again.