Ensure the firmware version matches your specific regional sub-model. The file should be in a .pac format.
Do you know your specific or build number?
Resolves instances where the phone continuously restarts or sticks on the ZTE loading logo.
ZTE provides an official Smartphone Flash Tool for online updates and firmware restoration. Firmware ZTE Blade L220
| Category | Specification | | :--- | :--- | | | 2023 (Q2) | | Dimensions | 159.4 x 77.8 x 10.38 mm | | Weight | 153 g | | SIM | Dual Nano-SIM | | Display Type | IPS LCD, 60Hz | | Display Size | 6.3 inches | | Resolution | 480 x 1014 pixels (~178 ppi density) | | OS | Android 12 (Go edition) | | Chipset | Unisoc SC7731E (28nm) | | CPU | Quad-core 1.3 GHz Cortex-A7 | | GPU | ARM Mali-T820 MP1 | | Card slot | microSDXC (dedicated slot) | | Internal | 32GB 1GB RAM / 32GB 2GB RAM | | Main Camera | 5 MP, LED flash | | Selfie Camera | 2 MP | | Loudspeaker | Yes | | 3.5mm jack | Yes | | WLAN | Wi-Fi 802.11 b/g/n | | Bluetooth | 4.2, A2DP | | Positioning | GPS | | Radio | FM radio | | USB | microUSB 2.0 | | Sensors | Fingerprint (rear-mounted), accelerometer, proximity | | Battery | Li-Ion 3000 mAh, removable |
Unisoc (formerly Spreadtrum) SC7731E quad-core processor (4x Cortex-A7 @ 1.3GHz). Storage Support: 32GB internal memory. Display Optimization:
In the flash tool interface, click the button. Ensure the firmware version matches your specific regional
Understanding the hardware is the first step to knowing which firmware and tools your device requires. The ZTE Blade L220 is an entry-level smartphone with these key specifications:
To successfully flash your device, download the following files onto your PC and extract them into organized folders:
Clear out system bloat that accumulates over time. Resolves instances where the phone continuously restarts or
💡 Always back up your data before flashing, as this process will wipe your device completely. 🛠️ Prerequisites Battery: At least 50% charge. Cable: A high-quality Micro-USB data cable.
This is almost always a driver issue. Reinstall the Unisoc USB drivers, try a different USB port (preferably USB 2.0 on the back of the PC), or use a different USB data cable.
: Install the correct USB VCOM/Preloader drivers on your PC. These allow your computer to communicate with the phone's processor while it is completely powered down.
Download and install the correct ZTE USB drivers or MediaTek/Spreadtrum drivers (depending on the exact processor configuration of your specific Blade L220 variant) on your Windows PC. Without these, the computer will not recognize your device in download mode. Step-by-Step Guide to Flash ZTE Blade L220 Firmware