Hi, This is unbrick Lenovo A3690 Stock Rom V1 by Lenovo and in this post we will know how to flash Stock Rom V1 of Lenovo A3690 by easy and safest method. Lenovo A3690 has MediaTek Quad Core 1.0 GHz processor and a 5.0 inch screen with 720 x 1280 Pixels resolution. It has 1GB RAM, 8GB storage, 8 MP Rear and 2 MP Front Camera. True color (16 M) and 5.1 Android Lollipop.
Preparation of flash or update:
1. Take a backup of your phone Click here.
2. Your phone battery should charge 80% minimum.
3. Read all steps then do it careful.
4. Make sure proper power backup of your PC.
Download ROM and Tools of Lenovo A3690:
|File Name||Download link|
|Lenovo A3690 Stock Rom V1||Download|
|Lenovo A3690 SP Tool V5.1516.00||Download|
|Lenovo A3690 USB Driver||Download|
How to unbrick Lenovo A3690 Stock Rom V1 :
Step 1: Install drivers on your PC (If you feel any problem in install driver then watch this video Click here) and Enable USB Debugging on your Phone. Go to Settings >>> Developer options >>> USB debugging check it ( If your phone have Android 4.2 or upper version then see how to enable Developer options here is guide of this Click here). After then switch off your phone.
Step 2: Extract Stock Rom V1 and SP Tool folder, where you want. Open the SP Tool and run Sptool.exe as Administrator.
Step 3: Click on Scatter-Loading option. SPTool ask you the location of the scatter file in your PC. You will find it in the extracted Stock Rom V1 folder. Now go to the Rom folder and select the file “Android_scatter_emmc.txt” which is your Stock Rom V1 scatter file.
Step 4: Now Select firmware upgrade from drop-down menu then click on Download. And Connect your switch off phone with The PC via USB cable (Make sure your phone is switched off).
Step 5: SP Tool auto-detect your phone and process will start. If Sptool is not recognize/detect your phone then install vcom driver read this post it will help you click here (Driver already in phone flash drive if you don’t have these drivers then install it). After install Vcom driver reconnect your switched off phone with the PC. If you phone again not recognized by your SP Tool then try to flash via Meta mode flashing process, here is Meta-Mode flash guide click here.
Note: Don’t interrupt this process as it can potentially brick your device. Make sure no power interruption takes place.
Step 6: Now start downloading Stock Rom V1 in your phone by flashing. After the process complete, a green ring will appear. Now disconnect your updated Smartphone. If you feel any problem of flashing or update your phone then watch this video click here.
I hope you like this Unbrick Lenovo A3690 Stock Rom V1 installation guide from which you will be able to easily Unbrick Lenovo A3690 Stock Rom V1 without any extra efforts. If feel any problem in this guide then please use comment box. Thanks to all.
Note: I am not responsible if you make Mistakes and Bricked Devices.