Lenovo D-42A
Lenovo D-42A is a Lenovo firmware file listed under Lenovo, distributed as Lenovo_D-42A_Docomo_S011038_210520_SM6125_4G_DCM_JP_QPST.zip with a download size of 1.77 GB. It is built for the Qualcomm SM6125 chipset. It is flashed with QFIL (part of Qualcomm QPST). It was published on June 16, 2026. This page has been viewed 6 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 Lenovo D-42A
If your Lenovo D-42A has been giving you trouble, reinstalling the stock firmware is often the cleanest fix. Here you'll find the full Lenovo flash package along with the details to check before you begin. 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 Lenovo D-42A to factory condition. File Name: Lenovo_D-42A_Docomo_S011038_210520_SM6125_4G_DCM_JP_QPST.zip File Size: 1.77 GB Back up your files, charge the Lenovo D-42A past 50 percent, install the matching drivers, and only then begin. Once installed, your Lenovo D-42A should boot up like new. Use the right file for your exact model and don't interrupt the process.
File Details
| File name | Lenovo D-42A |
|---|---|
| Package | Lenovo_D-42A_Docomo_S011038_210520_SM6125_4G_DCM_JP_QPST.zip |
| Brand / Platform | Lenovo |
| Category | Lenovo |
| Chipset | Qualcomm SM6125 |
| Flash tool | QFIL (part of Qualcomm QPST) |
| Package format | ZIP archive |
| File size | 1.77 GB |
| Date added | June 16, 2026 |
| Price | Free |
How to flash Lenovo D-42A with QFIL
- Confirm Lenovo D-42A matches your exact device model and that the phone uses the SM6125 chipset.
- Back up your personal data, as flashing firmware can erase the device. Charge the battery above 50%.
- Download the file (1.77 GB) using the button above and extract it on a Windows PC.
- Install the Qualcomm HS-USB QDLoader 9008 driver, then open QFIL (part of Qualcomm QPST).
- In the tool, load the programmer (prog_*_firehose*.mbn/.elf) and rawprogram/patch XML files from the extracted folder.
- Start the flash, then boot the phone into EDL mode (9008) — usually via key combo, test point, or "adb reboot edl".
- Wait for the success message before disconnecting. QFIL must detect "Qualcomm HS-USB QDLoader 9008" before you press Download.
Guides for this firmware
- How to Get Qualcomm Phones into EDL Mode for QFILTo get a Qualcomm-based phone into EDL (Emergency Download) mode for QFIL, you must trigger a specific boot state that allows the device to be recognized by your PC as a "Qualcomm HS-USB QDLoader…
- How to Fix QFIL Sahara Fail ErrorThe Sahara Fail error in QFIL occurs when the initial communication between the computer and the Qualcomm device fails. This prevents the tool from uploading the Firehose programmer, which is…
- How to Use QFIL: Qualcomm Firmware Flashing GuideQFIL (Qualcomm Flash Image Loader) is a specialized software tool used to flash stock firmware onto devices powered by Qualcomm chipsets. It is part of the Qualcomm QPST (Qualcomm Product Support…
Frequently asked questions
Is Lenovo D-42A free to download?
Yes, Lenovo D-42A can be downloaded free of charge from this page.
How large is the download?
The Lenovo D-42A package is 1.77 GB.
Which tool do I need to flash Lenovo D-42A?
Lenovo D-42A is Qualcomm SM6125 firmware, so it is flashed with QFIL (part of Qualcomm QPST) using the programmer (prog_*_firehose*.mbn/.elf) and rawprogram/patch XML files.
Which devices is this firmware for?
This file is intended for Lenovo devices. Always confirm it matches your specific model before flashing.