Qmobile SL50
Qmobile SL50 is a Qmobile firmware file listed under Qmobile, distributed as Qmobile_SL50_SC6531E_V14_25072019_MIRA.zip with a download size of 4 MB. It is built for the Unisoc (Spreadtrum) SC6531E chipset, with a firmware build date of July 25, 2019. It is flashed with SPD ResearchDownload (or UpgradeDownload). It was published on June 16, 2026. This page has been viewed 45 times. It is available to download free of charge. Before flashing, verify the file matches your exact device model and back up your data.
About Qmobile SL50
Sometimes a clean firmware install is the best fix for a misbehaving phone. For Qmobile SL50 owners, this page hosts the original Qmobile stock ROM and the key file details. It fixes random reboots, crashing apps, a phone stuck on the splash screen, or a botched OTA update, and removes leftover bloat by returning the Qmobile SL50 to factory condition. File Name: Qmobile_SL50_SC6531E_V14_25072019_MIRA.zip File Size: 4 MB Copy your data somewhere safe, top up the battery, grab a working USB cable, and confirm the proper drivers are set up before you start. After flashing, allow a few minutes for the first boot. From there the Qmobile SL50 should run like a brand new unit.
File Details
| File name | Qmobile SL50 |
|---|---|
| Package | Qmobile_SL50_SC6531E_V14_25072019_MIRA.zip |
| Brand / Platform | Qmobile |
| Category | Qmobile |
| Chipset | Unisoc (Spreadtrum) SC6531E |
| Build date | July 25, 2019 |
| Flash tool | SPD ResearchDownload (or UpgradeDownload) |
| Package format | ZIP archive |
| File size | 4 MB |
| Date added | June 16, 2026 |
| Price | Free |
How to flash Qmobile SL50 with SPD ResearchDownload
- Confirm Qmobile SL50 matches your exact device model and that the phone uses the SC6531E chipset.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (4 MB) using the button above and extract it on a Windows PC.
- Install the SPD / Unisoc USB drivers, then open SPD ResearchDownload (or UpgradeDownload).
- In the tool, load the .pac firmware file from the extracted folder.
- Start the flash, then press Start in the tool, then connect the powered-off phone while holding Volume Down (boot key).
- Wait for the success message before disconnecting. Leave "Erase NV" unticked unless you intend to wipe IMEI and calibration data.
Guides for this firmware
- SC6531E Firmware: Flashing Tools and Safety GuideThe SC6531E is a chipset from the Unisoc (Spreadtrum) platform used in various feature phones. To reflash or unbrick a device using this chipset, you will need the specific .pac firmware file for…
- Flashing .pac Files with SPD ResearchDownload GuideSPD ResearchDownload (also known as UpgradeDownload) is a specialized flashing tool used to install stock firmware on devices powered by Unisoc (Spreadtrum) chipsets. It is primarily used to unbrick…
- How to Use SPD ResearchDownload: Firmware Flashing GuideSPD ResearchDownload (also known as UpgradeDownload) is a specialized flashing tool used to install stock firmware on devices powered by Unisoc (Spreadtrum) chipsets. It allows technicians and users…
Frequently asked questions
Is Qmobile SL50 free to download?
Yes, Qmobile SL50 can be downloaded free of charge from this page.
How large is the download?
The Qmobile SL50 package is 4 MB.
Which tool do I need to flash Qmobile SL50?
Qmobile SL50 is Unisoc (Spreadtrum) SC6531E firmware, so it is flashed with SPD ResearchDownload (or UpgradeDownload) using the .pac firmware file.
Which devices is this firmware for?
This file is intended for Qmobile devices. Always confirm it matches your specific model before flashing.