Introduction: King Kong 5 Pro Firmware
The Cubot King Kong 5 Pro is a rugged 2021 Android featuring an IP68/IP69K body, 6.08″ HD+ display, Helio P22 (MT6762D) octa-core, 4GB RAM, 64GB storage, dual-SIM 4G, a massive 8000mAh battery, 48MP main camera with macro, and a 25MP selfie cam. It’s built for extreme environments—drop- and water-proof up to 1.5m, and pressure washer certified. Though praised for stamina and value, users also report persistent software bugs, lag, and display/camera issues after OTA or failed updates.
Owners note unique problems: slow UI, delayed touch, ghost taps after firmware flashes, random network loss, inconsistent power-on after deep sleep, “charging but not increasing”, and average camera sharpness despite big sensors. Flashing the correct King Kong 5 Pro firmware—matching region and version—resolves bricking, resets network, and clears almost all major bugs.
Critical Notice: Before You Proceed
Flashing Cubot King Kong 5 Pro firmware wipes all apps, user data, and IMEI info. Backup contacts, cloud logins, photos, and IMEI before flashing! Always use your region-matched ROM file: flashing wrong region may kill network bands, NFC, or cause bootloop.
Quick Device Specs (King Kong 5 Pro)
- Device:
- Cubot KingKong 5 Pro
- Release:
- 2021 (global, updated 2022 versions)
- Chipset:
- MediaTek Helio P22 (MT6762D/MT6762V), 8x Cortex-A53 (2.0GHz max)
- Display:
- 6.08″ IPS LCD, 720×1560 px
- RAM/Storage:
- 4GB + 64GB (microSD up to 256 GB)
- Battery:
- 8000mAh, non-removable
- OS:
- Android 11 (stock, some Android 10 early builds)
- Camera:
- 48MP Sony main, 5MP macro, 0.3MP depth | 25MP selfie
- Other:
- Dual SIM, NFC, OTG, USB-C, IP68/IP69K/MIL-STD, stereo speakers, NFC.
Required Downloads
| Filename / Version | Region | Android | Release | Link |
|---|---|---|---|---|
| Cubot_King_Kong_5_Pro_MT6765_V06_210421.zip | Global/STD | 11 | Apr 2021 | Google Drive |
| KINGKONG 5 Pro_B021C_V14_20220708.zip | Non-US | 11 | Jul 2022 | Mega |
| KINGKONG 5 Pro_B021C_V13_20220415.zip | US | 11 | Apr 2022 | Mega |
| KINGKONG 5 Pro_B021C_V12_20211207.zip | US | 11 | Dec 2021 | Mega |
How to Flash King Kong 5 Pro Firmware (SP Flash Tool)
- Unzip your chosen ROM; locate the scatter file (.txt) and all partitions.
- Install MediaTek VCOM drivers on Windows.
- Load the scatter file into SP Flash Tool (Download Only mode).
- Power off the device, hold Vol Down if needed, connect via USB.
- Click Download, wait for green check, disconnect and boot to system.
- For visuals, see Inarguide’s MTK flashing tutorial.
King Kong 5 Pro: Real Bugs, Complaints & Solutions
1. Lag or Slow User Interface
Users often cite sluggish UI or delayed touch response, especially after updates. Fresh flash and clearing up background apps helps. Limit widgets for better RAM usage.
2. Touchscreen Ghost Taps or Unresponsiveness
Occasional screen touches are ignored or registered in wrong spots after flash. Remove screen protector, reboot, and reflash correct ROM for your region if needed.
3. Heavy Weight, Reset/Boot Issues
Device is heavier (319g) than typical; sometimes fails to wake from deep sleep or boots slowly. Long-pressing Power+VolUp for 15 seconds is a proven wake fix.
4. Network/SIM Loss After Flashing Wrong ROM
Flashing a mismatched (US/Non-US) file can break LTE/VoLTE or NFC. Always match the region—US-based users must use “US” builds; others should use Non-US.
5. Camera App Freezing or Poor Quality
Main and selfie cameras may freeze after third-party apps or updates. Use only the stock Camera app post-flash; keep storage >2GB free for stable operation.
6. Charging but Battery Not Increasing
Some owners see “charging” but no power gain—try a new cable/adapter, clear USB port, and reboot; firmware refresh fixes persistent cases. Battery saver mode also helps.
7. No/Slow OTA Updates
Users rarely see new system updates. All improvements must be applied via manual ROM flashing or official service.
FAQs: King Kong 5 Pro Firmware & Community
- Which ROM to use – US or Non-US?
- US firmware for USA/Canada; Non-US for Europe, Africa, Asia. Using the wrong file breaks network or NFC.
- Battery doesn’t charge/hold full capacity?
- Switch charger, port, and cable. Full firmware flash and calibration (3 full charge/discharge cycles) often restore accurate level display.
- Touch not working or ghost taps after flashing?
- Check for screen protector or dry contact. Reflash region-matched ROM and clean display.
- SIM or network is missing after flash?
- Restore IMEI or NVRAM backup. Only use files labeled for King Kong 5 Pro and your region.
- Slow camera, frequent freezes?
- Use only the stock camera app, and free up device storage.
- No Android 12 update or latest security patches?
- As of 2025, latest stock is Android 11; check forums for future news.
- Will flashing delete my data/IMEI?
- Yes—backup all content and config before upgrade.
Closing & Call to Action
Flashing King Kong 5 Pro firmware restores network, touch, and battery, and fixes camera/boot issues for demanding environments. Bookmark this page for updates, and leave new bug reports to strengthen the Cubot rugged community.
