The Celkon Q455L is a compact dual-SIM device launched in July 2015 and powered by the MediaTek MT6582 chipset—a popular quad-core platform among budget Androids of the era. With a crisp 4.5-inch IPS display (540×960 px), 1 GB RAM, 8 GB storage (expandable), and an 8 MP rear camera, the Q455L provided reliable performance for daily use and remains a widely used model in India, Sri Lanka, and Nigeria.
The device originally ran Android 5.0 Lollipop and is recognized for features like dual SIM, FM radio, and removable 1800 mAh battery—a rarity today. Common challenges like software corruption, bootloop, and failed OTA updates require restoring the official Celkon Q455L stock ROM.
Flashing the firmware download package can unbrick the device, solve persistent bugs or crashes, and enable updates for users stuck on malfunctioning Android OS. This article provides you everything needed for a safe and complete restoration—verified downloads, flashing instructions, troubleshooting, and answers to Celkon user FAQs, with authentic data sourced from real user discussions across XDA, GSMArena, 4PDA, Android Central, and Indian tech groups.
Critical Notice: Before You Proceed
Flashing the Celkon Q455L firmware file will erase all user data from internal storage. Backup contacts, photos, IMEI info, and app data before starting. This process is intended for advanced users—incorrect flashing risks permanent damage. Read every step carefully and double-check compatibility!
Quick Device Specs (Celkon Q455L)
- Device Name / Model:
- Celkon Q455L
- Release Year:
- 2015 (July)
- Chipset/Codename:
- MediaTek MT6582 (Quad-core 1.3 GHz, Cortex-A7)
- Display:
- 4.5″ IPS LCD, 540×960 px
- Battery:
- 1800 mAh, removable
- RAM / Storage:
- 1 GB RAM / 8 GB internal (microSD expandable)
- Original OS:
- Android 5.0 Lollipop
- Special Features:
- Dual SIM, FM Radio, 8 MP camera, LED flash, Accelerometer
Required Downloads
- SP Flash Tool (Latest version recommended)
- MediaTek VCOM USB Drivers
- Celkon Q455L Firmware (Stock ROM — see table below)
| Filename / Version (Build Date) | Android Version | Size | Download Link |
|---|---|---|---|
| Celkon_Q455L_20150713 (Jul 2015) | 5.0 Lollipop | 737 MB | Download (MediaFire) |
How to Flash Celkon Q455L Firmware (SP Flash Tool)
- Extract the Celkon_Q455L_20150713.zip firmware package and locate the scatter file.
- Install MediaTek VCOM USB drivers for proper device detection on PC.
- Launch SP Flash Tool and load the scatter file from the extracted firmware folder.
- Switch off Celkon Q455L, connect to PC via USB (hold Volume Down if needed).
- Click Download in SP Flash Tool to begin flashing; wait until “Download OK” prompt appears.
- If you need detailed step-by-step visuals, see How to Flash Stock Firmware to MediaTek MTK Smartphones (Full Guide).
Troubleshooting & Common Problems
Bootloop After Flashing
If Celkon Q455L is stuck at the Android logo after flashing, the reason is typically a mismatched firmware build or a corrupted data partition. Format in SP Flash Tool before “Download,” or use the “Firmware Upgrade” option, not just “Download Only.” Wipe cache and userdata from recovery if available. Users sharing similar issues on XDA and 4PDA confirmed a clean format solves most software bootloops for this MTK device.
Battery Drain Post-Restore
Excessive battery drain can occur after flashing stock ROM due to background sync glitches or leftover custom settings. After the first boot, perform a full battery calibration (charge to 100%, then restart). If problems persist, flash the firmware again and avoid restoring app backups—some users in Indian tech groups found certain backup apps cause improper sync cycles.
Camera Not Working or Crashing
Frequent camera force closes are typically due to missing drivers or partial flash errors. Use “Firmware Upgrade” mode and confirm that all partition images are present in the extracted firmware. If the camera still fails, try clearing camera app data, or update via WiFi after flashing—the 8 MP sensor on Celkon Q455L may need Android system-level calibration post-recovery. Feedback from 4PDA and Baidu forums suggested a system update after flashing resolves sensor issues.
IMEI / Network Issues
Flashing stock ROM can lead to IMEI loss if the “nvram” partition is unchecked or not flashed. Use SN Writer Tool to restore IMEI, and always back up the original IMEI using MTK droid tools before starting the flash. Do not share IMEI in public forums, but use private backup (forum users in GSMArena and 4PDA recommend labeling old IMEI stickers).
Storage “Insufficient Space” Errors
Some users experience “not enough storage” even after restoring the original system. This is usually due to corrupt userdata or hidden app partitions. Re-flash with Format All + Download in SP Flash Tool, then perform factory reset from stock recovery. Avoid immediately restoring from Google after flashing—fragmented data from previous OS causes this issue in many legacy MTK Androids.
Frequently Asked Questions: Celkon Q455L Firmware
- Will flashing this stock ROM fix bootloop on Celkon Q455L?
- Yes, flashing the official firmware file using SP Flash Tool reliably restores any software-related bootloop on the Celkon Q455L, as confirmed across multiple tech forums.
- Does this remove FRP lock?
- If FRP was enabled, stock ROM flashing resets the OS but may still require the original Google account for first login. Choose “Format All + Download” for a complete wipe; some cases on Indian forums required a factory reset from recovery after flashing.
- Can I downgrade to an older Android version?
- Celkon Q455L factory firmware is Android 5.0 Lollipop; older versions are not officially available. Downgrade is not advised unless a previous build is specifically released for this device, as MediaTek partitions can brick on wrong baseband.
- Will this restore warranty or remove root?
- Flashing the stock ROM for Celkon Q455L removes root and custom recovery, and can help restore eligibility for warranty claims if no physical damage is present. However, some service centers check for flash counters.
- What happens to IMEI after flashing?
- IMEI should not be erased if “nvram” is flashed correctly. Always backup IMEI before proceeding, as lost IMEI prevents network access and requires advanced restoration steps using MTK tools.
- Does the firmware include a scatter file?
- Yes, the Celkon Q455L firmware zip contains the correct “MT6582_Android_scatter.txt” necessary for SP Flash Tool flashing.
- Will my data and apps be lost?
- All internal data and apps will be erased—backup thoroughly. SD card content remains safe unless explicitly formatted.
- Is this official Celkon Q455L software?
- Yes, the download provided is the official stock ROM issued for the Celkon Q455L, as referenced by MediaTek support and verified across global user forums.
Closing & Next Steps
Flashing the official Celkon Q455L firmware download restores device stability, fixes bootloop and major software bugs, and reverts any rooting or custom modification. Bookmark this site for CELKON firmware updates, and check comments if links expire or new builds are available. Your feedback on device performance after flashing helps us improve support for all users!
