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	Update Compiling_STM32.md
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				| @ -88,14 +88,10 @@ The latest Jumper 4-in-1 modules come with a USB port but it's in fact a built i | |||||||
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| ### Select an Upload Method | ### Select an Upload Method | ||||||
| There are three methods to upload firmware to an STM32 module: | There are three methods to upload firmware to an STM32 module: | ||||||
| * **Flash from TX** - highly recommended, uses maintenance mode in radios running ersky9x or OpenTX to upload the firmware |  | ||||||
| * **Upload via USB** - uses the USB port on the module | * **Upload via USB** - uses the USB port on the module | ||||||
|  | * **Flash from TX** - uses the bootloader mode of radios running ersky9x or OpenTX to upload the firmware. The radio needs to run the latest bootloader with the Multi Flash app. | ||||||
| * **Upload via Serial inc. Bootloader (FTDI)** - uses the serial interface on the module via a USB-to-TTL adapter | * **Upload via Serial inc. Bootloader (FTDI)** - uses the serial interface on the module via a USB-to-TTL adapter | ||||||
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| **Note:** 'Flash from TX' is available with radios supporting ersky9x or OpenTX and running the latest bootloader with the Multi Flash app. |  | ||||||
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| **Flash from TX** is highly recommended if your transmitter supports it, **Upload via USB** is recommended for all others.  **Upload via Serial inc. Bootloader** can be used if your module does not have a USB port and your transmitter does not run ersky9x or OpenTX. |  | ||||||
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| 1. Under **Tools -> Upload Method** select an upload method | 1. Under **Tools -> Upload Method** select an upload method | ||||||
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| The rest of this process will vary depending on the upload method you selected. | The rest of this process will vary depending on the upload method you selected. | ||||||
| @ -172,7 +168,7 @@ Assuming the process is successful: | |||||||
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| ## Flash from TX | ## Flash from TX | ||||||
| 1. Click **Sketch -> Export compiled Binary**, or press **Ctrl+Alt+S** | 1. Click **Sketch -> Export compiled Binary**, or press **Ctrl+Alt+S** | ||||||
| 1. Locate the file named **multifw.bin** in the **Multiprotocol** folder | 1. Locate the file named **multi-stm-x.x.x.x.bin** in the **Multiprotocol source folder** folder (x.x.x.x is the multi version) | ||||||
| 1. Follow the instructions [here](/docs/Flash_from_Tx.md) to upload the firmware using your radio | 1. Follow the instructions [here](/docs/Flash_from_Tx.md) to upload the firmware using your radio | ||||||
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| ## Upload via USB | ## Upload via USB | ||||||
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