Release Date
2017, February 27
OS
N/A
Processor
Qualcomm MSM8917 Snapdragon 425 (28 nm) (Wi-Fi/LTE model)Qualcomm APQ8017 (Wi-Fi only model)
Battery
Li-Po 4850 mAh, non-removable
⚠️ Important Notice
Flashing firmware can be risky. Follow instructions carefully and backup your data before proceeding. We are not responsible for any damage to your device.
Available Firmware Files
| File Name | Size | Download |
|---|---|---|
|
Lenovo_Tab_4_8_TB-8504F_USR_S001011_1810162054_Q12000_QDL.zip
|
2 GB | |
|
Lenovo_Tab_4_8_TB-8504F_USR_S001019_1909091114_Q12000_ROW_QPST.zip
|
2.2 GB | |
|
Lenovo_Tab_4_8_TB-8504F_USR_S120010_1901181601_Q12000_HFT_QPST.zip
|
1.4 GB | |
|
Lenovo_Tab_4_8_TB-8504F_USR_S130004_1902221150_Q12000_SCP_QPST.zip
|
1.4 GB | |
|
Lenovo_Tab_4_8_TB-8504F_USR_S140004_1807121212_Q12000_UK_GB_QPST.zip
|
1.4 GB | |
|
Lenovo_Tab_4_8_TB-8504F_S140008_190215_UK_QPST.zip
|
1 GB | |
|
Lenovo_Tab_4_8_TB-8504X_USR_S001015_1810241950_Q12000_QDL.zip
|
2 GB | |
|
Lenovo_Tab_4_8_TB-8504X_USR_S001024_1909061423_Q12000_QDL.zip
|
2 GB | |
|
Lenovo_Tab_4_8_TB-8504X_USR_S001031_1912041525_Q12000_ROW_QPST.zip
|
2 GB | |
|
Lenovo_Tab_4_8_TB-8504X_USR_S000011_1907100918_Q12000_ROW_QPST.zip
|
3 GB |
How to Flash Stock ROM
- Download the correct ROM file for your device
- Install the required flash tool
- Enable USB debugging on your device
- Boot your device into download mode
- Connect your device to computer via USB
- Load the ROM file in the flash tool and start flashing
- Wait for the process to complete
- Reboot your device
Precautions
- Backup all important data before flashing
- Ensure battery is at least 50% charged
- Use original USB cable for stable connection
- Don't disconnect during flashing process
- Download ROM only for your specific model
- Follow manufacturer's instructions carefully