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Version 240 Mmi H43 Download Upd New — Bootloader
| Requirement | Check | | :--- | :--- | | | Confirm that your service manual explicitly lists "Bootloader v240" for H43. | | Current Bootloader | Enter recovery mode (usually holding Vol Down + Power) and note your current version. If you are already on 240, do not reflash. | | Power Supply | Use a bench power supply (5V/2A stable). A brownout during bootloader flash = permanent brick. | | Programming Tool | You will need fastboot , STM32CubeProg , or NXP MFGTool depending on your chipset. | | Backup | Use dd or a JTAG dump to back up your current bootloader and MMI partition. |
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