Lucas Noah Flash Stock Rom on Evercoss A75W – 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 Evercoss A75W using one of Spreadtrum Flash Tool and I give you all the original firmware and Flashing Tool that suits your Evercoss A75W. 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 Evercoss A75W Firmware
You have to Flash your Evercoss A75W 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 Evercoss A75W | 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 Evercoss A75W 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 Evercoss A75W
Step 1
- Download Evercoss A75W USB Driver and install it on Your Computer. If you already install USB Drivers, then skip this Step.
Download Spreadtrum Upgrade Tool For Evercoss A75W
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 Evercoss A75W
Step 3
- Download Stock Firmware (PAC) for your Evercoss A75W (Just type Model Name and Download ) and Extract it to your computer.
Step 4
- Turn Off your Evercoss A75W
Step 5
- Open Spreadtrum Upgrade Tool from Computer (You have Downloaded it in Step #2 )
- And Connect Your Evercoss A75W to Computer using Original USB Cable
Step 6
- If your Evercoss A75W 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 Evercoss A75W
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 Evercoss A75W is getting Restarting. if not, Restart the device manually.
Step 11 Optional
- Factory reset your Evercoss A75W device and make sure all is well. (First Boot Normally Slow)
Frequently Ask Questions :
I can’t Flash Stock Rom on Evercoss A75W
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
Evercoss A75W 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.
Evercoss A75W Doesn’t pass boot logo/ boot-loop
- after flashing, the Evercoss A75W 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.
Evercoss A75W 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.
Evercoss A75W 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 Evercoss A75W
- 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 Evercoss A75W
- 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 – Evercoss A75W
- 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
Evercoss A75W 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
Evercoss A75W 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 Evercoss A75W
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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