| Manufacturer | Infinix |
| Model | infinix-x6853 |
| Installs | Infinix/X6853-OP/Infinix-X6853:15/AP3A.240905.015.A2/139033:user/release-keys |
| Updates from | Infinix/X6853-OP/Infinix-X6853:15/AP3A.240905.015.A2/127007:user/release-keys |
| Security patch | 2025-07-05 |
| SDK | 35 |
| Size | 1.18 GB |
| Install method | Seamless A/B (A/B) |
| Updated partitions | odm_dlkm product system system_ext vendor vendor_dlkm |
| Build date | 2025-08-04 |
Infinix NOTE 40 — AP3A.240905.015.A2
Release notes
Please plug in charger to OTA upgrade when power is lower than 50%.
Update Version:
X6853-15.1.0.139SP08(OP001PF001AZ)
Changed Functions:
1. Privacy & Security: Optimized Dual App, App Lock, and XHide, improved account security verification process, and enhanced account protection.
2. Battery Optimization: Streamlined the Battery and Power Saving menu hierarchy and optimized power-saving strategies for extended standby during sleep.
3. Smoothness: Added interruption animations and improved touch response.
4. Game Refresh Rate: Optimized the strategy to enable dynamic refresh rate adjustment based on frame rates for some games.
5. Game Voice Control: Added voice control for enabling/disabling Game Assistant Panel within the game interface.
6. Supported editing and modifying payer/payee names in the payment history for STK-MPESA.
7. Optimized Dual App to support dual instances of Outlook.
8. Optimized UI and interaction in multiple scenarios to improve the interactive experience.
9. AI Writing: Optimized interactions and the input panel.
10. Updated Google Security Patch to July 5, 2025.
Reminding:
1. Optimized system stability and performance while fixing other issues.
2. Visit the XClub forum (https://www.infinix.club) for more information.