The Cubot Note 9 is a 2022 big-battery budget smartphone by Cubot, designed for buyers needing maximum standby, a basic camera, and dual-SIM LTE at a discount. It features a Unisoc SC9863A octa-core chipset (1.6 GHz + 1.2 GHz Cortex-A55), 3GB RAM, 32GB storage (expandable up to 128GB), a 5.99″ IPS display (720 × 1600 px), and a removable 5900–6000 mAh battery. Android 11 comes preloaded, with a 16MP rear camera, 5MP selfie cam, USB-C, and a rear fingerprint scanner/Face ID. Its low price, dual-SIM slots, and GPS+Beidou+GLONASS make it a hit in Africa, India, and parts of Europe.
Real owners report issues common to entry devices: touchscreen dead zones, unresponsive after sleep/charging, laggy UI, hotspots shutting off, GPS unreliability, camera lag in low light, and rare buggy software updates. Flashing the Cubot Note 9 SPD PAC file restores boot, repairs SIM/network/camera, and fixes most persistent system bugs.
Critical Notice: Before You Proceed
Flashing Cubot Note 9 firmware erases all apps, SMS, calls, and accounts. Backup Google, photos, and SIM/IMEI data first! Use only official PAC for Note 9 (SC9863A)—wrong images break touch, charging, or network.
Quick Device Specs (Cubot Note 9)
- Device Name / Model:
- Cubot Note 9 (SC9863A)
- Release Date:
- July 2021–2022 global launch
- Chipset:
- Unisoc SC9863A, octa-core up to 1.6 GHz
- Display:
- 5.99” IPS LCD, 720 × 1600 px (HD+)
- Battery:
- 5900–6000 mAh, removable
- RAM / Storage:
- 3GB RAM / 32GB internal, microSD up to 128GB
- OS:
- Android 11 (stock)
- Extras:
- 16 MP rear AF, 5 MP AI selfie, GPS/Beidou/GLONASS, dual SIM, USB-C, OTG, fingerprint, face unlock
Required Downloads
| Filename / Version | Android Version | Size | Download Link |
|---|---|---|---|
| V02_211209 SPD | Android 11 | 1.96 GB | Download (Google Drive) |
How to Flash Cubot Note 9 Firmware (SPD PAC)
- Unzip PAC file to your PC folder.
- Install Spreadtrum USB Drivers and SPD Upgrade Tool.
- Open SPD Upgrade Tool, “Load Packet”, select PAC.
- Switch off device, connect via USB (hold Vol Down for detection).
- Click “Start Downloading”; wait for “Passed”, reboot and set up.
- See How to Use SPD Upgrade Tool for full steps.
Troubleshooting: Cubot Note 9 Owner Problems & Fixes
1. Touchscreen Dead Zones/Lags
Corners sometimes don’t register, screen may lag when device is hot or after long use. Flash stock PAC, then recalibrate touch in Android settings. Remove thick screen protectors and clean glass.
2. Device Fails to Wake or Boot After Sleep/Charging
Complaints about the phone not turning on after sleep or charging—hold Power+VolUp for 15s to force restart; if persistent, reflash firmware.
3. Battery Drain Faster Than Expected
Even with 5900+ mAh, LTE/WiFi, games, and max brightness drain it quick. Use battery saver and limit heavy tasks. Full discharge/charge after firmware updates can help recalibrate.
4. App Lag & Freezing, Especially with Many Open
Entry octa-core/3GB can slow with 5+ background apps. Flashing fresh PAC cures software bloat and app corruption. Stick to lightweight apps for best experience.
5. GPS, Bluetooth, or SIM Networking Bugs
Occasional loss of GPS, poor Bluetooth audio, or SIM/network. After flashing, update all Google services and reset APN/settings. Glass/metal obstructions or carrier filtering also affect performance
6. Camera Lag/Blurry in Low Light
16MP rear cam ok in sunlight, lags/fails indoors. Use default camera, avoid heavy filters, and always update firmware to fix app crashes
7. FRP Lock After Hard Reset/Flash
If stuck on Google verification after reflash, use trusted online guides to skip FRP or enter last-used Gmail credentials
FAQs: Cubot Note 9 Firmware & Support
- Touch not working after flash?
- Flash only PAC built for Note 9 SC9863A. Broken touch means wrong or corrupt image.
- Battery not lasting long/quick drain?
- Check app background activity, use battery saver, recalibrate with charge/discharge cycles.
- Stuck on logo or unresponsive after flash?
- Force-restart (Power+VolUp 15s), then re-flash PAC file.
- Face unlock/Fingerprint unreliable?
- Recalibrate in settings after flash; clean sensor and avoid thick cases.
- SIM/network drops after flashing?
- Re-seat SIM, reset APN, and update all firmware; backup IMEI before upgrade.
- All my data is gone!
- Yes, always backup before using SPD flash, as this erases user accounts, IMEI, and files.
Closing & Call to Action
Flashing Cubot Note 9 SPD firmware unbricks, fixes battery, touch, and SIM/network bugs. Bookmark this guide—add comments about any new issues to support the Cubot community.
