How to Flash Firmware Celkon Q54 Plus

Flash Stock Rom on Celkon Q54 Plus – Welcome to Our Flashing Tutorial on Spreadtrum Devices. In this post, I am going to explain the step-by-step process of Flashing Stock ROM on Celkon Q54 Plus using one of Spreadtrum Flash Tool and I give you all the original firmware and Flashing Tool that suits your Celkon Q54 Plus. Furthermore, To help with your common Flashing issues, I’ve brought up the FAQ section. If you are searching FAQ or Complete Flashing Guide then, continue reading this article as it can help you in one way or another. Read more – Stock Rom vs Custom Rom

Why I want to Flash Celkon Q54 Plus Firmware

You have to Flash your Celkon Q54 Plus under various circumstances. If you Flashed custom ROM or Custom recovery or performed root on your device and now you want to Unroot, Unbrick, Rollback, back to Stock Firmware/ Stock ROM. or if you want to Upgrade or Downgrade your Android Device OS then you will need to flash the stock firmware. Furthermore, if you got errors like the Black Screen of Death issue, Boot loop issue, massive lags, soft bricks, overheating, unexpectedly shut down then you have to perform this operation to bring your device back to its original state. Read More – Adding IR sensor for your Celkon Q54 Plus | As TV/AC Remote

Requirements for Flashing :

Download the Stock Firmware for your device.
Download the latest Spreadtrum Upgrade Tool
Download the latest USB Drivers.
Use Original USB cable and working laptop.
Maintain at least 60% of the battery percentage.
Enable USB debugging and OEM unlock – Optional

WARNING!
Flashing Stock Firmware on Celkon Q54 Plus can erase all of your data.
All described operations, you are doing at your own risk.
If you want to save data get a backup before start.

Before Flashing, be sure to check your processor type

Before flashing your device, you should check your device’s processor type. You can only follow this guide if your Device is Spreadtrum. If your device is MediaTek or some other type, follow that guide. ( You can find it by searching for “Flash Stock Firmware [Name] with MediaTek” on our website) To check processor type, go to GSMArena and check the device specifications under the chipset.

Preparation for Flashing Stock Firmware on Celkon Q54 Plus

Step 1

Download Celkon Q54 Plus USB Driver and install it on Your Computer. If you already install USB Drivers, then skip this Step.

Download Spreadtrum Upgrade Tool For Celkon Q54 Plus

Step 2

Download Spreadtrum Upgrade Tool and Extract it to Your Computer. Read More – Increase RAM SIZE after root on Device?

Download Stock Firmware For Celkon Q54 Plus

Step 3

Download Stock Firmware (PAC) for your Celkon Q54 Plus (Just type Model Name and Download ) and Extract it to your computer.

Step 4

Turn Off your Celkon Q54 Plus

Step 5

Open Spreadtrum Upgrade Tool from Computer (You have Downloaded it in Step #2 )
And Connect Your Celkon Q54 Plus to Computer using Original USB Cable

Step 6

If your Celkon Q54 Plus is connected successfully to the PC, click on the Load Packed Button and add the PAC file. (Stock Rom in PAC)

Installing Stock Firmware on Celkon Q54 Plus

Step 10

Now, we can start Flashing Process. Click the “Start Downloading” to Begin Flashing Process. This process may take 10 Min to fully complete. (Don’t unplug the Device cable and Wait.)

After Flashing Process complete, the Tool will indicate the Green “Pass” message. now you can disconnect your Device from your computer.
You will see your Celkon Q54 Plus is getting Restarting. if not, Restart the device manually.

Step 11 Optional

Factory reset your Celkon Q54 Plus device and make sure all is well. (First Boot Normally Slow)

Frequently Ask Questions :

I can’t Flash Stock Rom on Celkon Q54 Plus

Try Again with the latest Spreadtrum Upgrading Tool and fresh Stock firmware (it is better to download files from another server). If your problem persists then, please open Help topic with details under android in our Forum

Celkon Q54 Plus doesn’t turn on, not respond to the power button ( Dead/Soft Brick)

Let’s be a little more patient. Because the Flashing process takes some time. (20min)
If there is no progress then, download Firmware and the latest Spreadtrum Upgrading Tool from another source and try again.
If your problem persists then, please open the Help Topic with details under android in our Forum.

Celkon Q54 Plus Doesn’t pass boot logo/ boot-loop

after flashing, the Celkon Q54 Plus does not pass the logo and keeps restarting until the logo. That means the Device is stuck in the boot loop. so, we have to take action for this. But is this the first time after flashing? Give it time. (20 minutes)
If your problem persists then, please open the Help Topic with details under android in our Forum.

Celkon Q54 Plus continuously restarts / keep rebooting

continuously restarts/ keep rebooting

Follow this Guide-line again with Fresh Firmware and Spreadtrum Upgrading Tool from another source.
We also have some dedicated posts about this. you can search for them.
If your problem persists then, please open the Help Topic with details under android in our Forum.

Celkon Q54 Plus automatically disconnecting during flashing

Use Different USB Port
After that, run Spreadtrum Upgrading Tool as administer.
Make sure you have the correct driver installed (Download from above link)
If the problem persists then use another PC

If your problem persists then, please open the Help Topic with details under android in our Forum.

USB device not recognized

This is a normal USB error and it is not related to Spreadtrum Upgrading Tool. The only thing you can do is change the USB port, try with another cable, try with another Computer.
if you need to fix this problem first, then go to this troubleshooting guide. However, it is better to bookmark this page for future use.
If your problem persists then, please open the Help Topic with details under android in our Forum.

progress bar stuck at waiting

After clicking Start Downloading” and connecting the Spreadtrum Device, the progress bar gets stuck Waiting…

Make Sure the Device is Turn off with enough charged battery.
Reinstall USB drivers, try with different USB Port
Tap and Hold the Volume down button while connecting to the PC.
Read more

Failed: Operation failed Celkon Q54 Plus

Try different PAC file
Reinstall USB drivers, try with different USB Port
Try the Current version of the Research Download tool
If your problem persists then, please open the Help Topic with details under android in our Forum.

Failed incompatible partition Celkon Q54 Plus

Try the Current version of the Research Download tool
Try with this method

ReadPartition Finish

In Research Download, go to Settings > Options > Read Option and untick Read Partition

Image size is over its partition

Try the Current version of the Research Download tool
Try with this method

Failed: Open port fail

Disconnect your Device from the PC and Remove the battery. after, Tap and hold the Volume down button when connecting to the PC.
Try the Current version of the Research Download tool
If your problem persists then, please open the Help Topic with details under android in our Forum.

Failed: User cancel – Celkon Q54 Plus

Press and hold the Volume down button when connecting to Computer for flashing and please don’t release till flashing is complete
Read more

Failed: uart send error

Try different PAC file
Reinstall USB drivers, try with different USB Port
Try the Current version of the Research Download tool

Fix Failed: NV data in the device is crashed In SPD Tool

Follow this Guide-line again with Fresh Firmware and Spreadtrum Upgrading Tool from another source.
We also have some dedicated posts about this. you can search for them.
If your problem persists then, please open the Help Topic with details under android in our Forum.

Bin Packet load Error

If you are facing a Bin packet error while loading the PAC file using the Spredtrum upgrade flash tool, then we recommend you to use SPD flash tool R2.9.9005 to fix that issue.

Failed: download size error

Use the latest version of the Research Download tool or Upgrade Download tool (V r2.9.9008 and above)

Failed: !!!GSM Cali in phone is not calibrated. Reserved[7]: 0x00000000, [ID=0x2]

Try a different version of the Research Download tool or Upgrade Download tool

Downloading failed: wait input time out / remote data too large

Use the latest version of the Research Download tool or Upgrade Download tool (V r2.9.9008 and above)

Failed: decode or verify received buffer error

Download the latest version of the Research Download or Upgrade Download tool

Celkon Q54 Plus stuck at Boot logo or Bootloop

The first boot is normally Slow so, please wait 5min. If not works then remove the battery and insert it back. Try to reset your Device. If it gives any error code please Leave a comment with it. Read more

Celkon Q54 Plus not works after flashing

What is the error message that you get? Can you give it then we can help you so, please open the Help Topic with details under android in our Forum.

How to Write IMEI on Celkon Q54 Plus

Sometimes, after Flashing your Device, you have to Rewrite IMEI. so you may need to Flash IMEI too. use this guide for it.

Screen showing a blank white screen

If you get a black, white, yellow, blinking, or multicolored screen after flashing firmware, then this FAQ is for you
This may sound scary, but it is the easiest problem that one can solve without any trouble. The problem reason is some mirror problems in primary memory. Although the whole Device works here,
please open the Help Topic with details under android in our Forum.

How to revert back to the previous version of Android

When you flash a new custom ROM found from the internet, you will inevitably get errors if it is still test-level. such as the camera fails, WiFi fails, the NFC Fails, the GPS fails, hotspot fails, Bluetooth Fails…
But is there a chance to downgrade / Comeback to Android Marshmallow, Oreo, Nougat, Pie, Android 10, Android 11? I’d like to say. Yes. Find a suitable Android version and flash it like the guide above

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