There are some instructions to flash Stock Rom on Celkon A400 Plus using Spreadtrum Upgrade Tool. If you suppose to use this tool then you must have Spreadtrum Device. your device may get bricked And flashing stock ROM is the only way to go out.To perform this advance process of Flashing stock ROM please Go Step by step and We include Celkon A400 Plus Stock firmware link to This guide.. If you got any error then leave a Comment.
SPD Upgrade tool which is also known as Spreadtrum flash tool is a cross-platform application. We use Spreadtrum flash tool for Flash custom recovery, flash Stock Rom and to fix the hard brick device. This is a very user friendly tool and This allows you to flash stock firmware on Spreadtrum smartphones and Tablets only.It will not support to the devices having chipsets other than SpreadTrum. Read More – Check whether my one is SPD or any else
If you have an Android device, you may require flashing Stock ROM/Firmware under various circumstances. If you have flashed custom ROM , Custom recovery or Custom kernel and facing several issues or if you want to Full Unroot, Unbrick, Rollback ,then you have to flash stock ROM to bring your device back to it’s original state. Read More – Stock Rom vs Custom Rom
If you want to Flash Upgraded Rom then you have to Find Upgraded Stock or Custom Rom. (Kitkat, Lollipop, Marshmallow, Nougat.) we provide only Official Rom because all the glitches and bugs are debugged and you can get latest OTA update and install them
Proceed at your own risk. flashstockrom.com will not be responsible for any mistake and any damage that might occur to your device while performing the following operation. Don’t skip any step.
If you can connect and share data phone to pc then you no need to install this. if not, Download and install Spreadtrum USB Driver on your PC.
Download Stock Rom (PAC) for your Android Smartphone. this is the main software in your phone.
Read More – Enable OTG support on Celkon Device
After that,you will be able to see the following files:
Click “Upgrade Download” Connect your Celkon A400 Plus to the PC, once your Spreadtrum Upgrade Tool is launched.(Remember your device switch off)
If your Celkon is connected successfully to the PC,click on the Load Packed Button and add the .PAC file.(Stock Rom in .PAC)
If you have successfully added .PAC file in Spreadtrum Upgrade Tool
click on the Start Downloading button to begin the flashing. Don’t unplug the phone cable and Wait.
Your Celkon A400 Plus will restart automatically during the flashing process. Don’t unplug phone cable and Wait.
Once the flashing process completes, you will be able to see the Green Passed Message in Spreadtrum Upgrading Tool.
Read More – Increase Internal Rom SIZE After Root on Celkon
If you come a Cross Green Pass then you successfully Flash Your Celkon A400 Plus. Now unplug the USB cable and You had better Hard reset It before Use it. (First Boot Normally Slow)
Read More – Top 10 Rooted Android Apps For Celkon
Phone doesn’t respond to power button or only vibrates after pressing the power button.
After clicking Start Downloading” and connecting the Spreadtrum Device, the progress bar gets stuck Waiting…
This error is not related to phone or tool. however you can fix it from here.
Please follow the guide step by step again or Leave a Comment with error message then we can help you. Read more
First boot is nomally Slow so, please wait 5min. If not wokrs then remove the battery and insert it back. Try to reset your phone. If it give any error code please Leave a comment with it. Read more
What is the error message that you get? Can you give it then we can help you. How ever we can recommend you to Follow the guide line step by step again.
Normally First time you Turn on the phone It will get time so give it to 5 min. If it not works after then Try to Hard Reset Your Celkon Device. More Details
Sometimes, after Flashing your phone, you have to Rewrite IMEI. so you may need to Flash IMEI too. use this guide for it.
Thank you for coming and If this page was help , then so please share this website to all Social Medias like Facebook twitter Radit then Others can find Us. as wel as If you have any problem then don’t hesitate feel free to Leave a Comment with Error Message. Sure our one of team member will help you.