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Merge pull request #357 from LitBomb/patch-12
faq.md: update OTA firmware instructions
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ripplebiz
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docs/faq.md
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docs/faq.md
@@ -65,7 +65,8 @@ author: https://github.com/LitBomb<!-- omit from toc -->
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- [6.4. Q: I can't connect via Bluetooth, what is the Bluetooth pairing code?](#64-q-i-cant-connect-via-bluetooth-what-is-the-bluetooth-pairing-code)
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- [6.5. Q: My Heltec V3 keeps disconnecting from my smartphone. It can't hold a solid Bluetooth connection.](#65-q-my-heltec-v3-keeps-disconnecting-from-my-smartphone--it-cant-hold-a-solid-bluetooth-connection)
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- [7. Other Questions:](#7-other-questions)
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- [7.1. Q: How to Update repeater and room server firmware over the air?](#71-q-how-to--update-repeater-and-room-server-firmware-over-the-air)
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- [7.2 Q: How to update ESP32-based devices over the air?](#72-q-how-to-update-esp32-based-devices-over-the-air)
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- [7.1 Q: How to update nRF (RAK, T114, Seed XIAO) repeater and room server firmware over the air using the new simpler DFU app?](#71-q-how-to-update-nrf-rak-t114-seed-xiao-repeater-and-room-server-firmware-over-the-air-using-the-new-simpler-dfu-app)
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## 1. Introduction
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@@ -534,74 +535,35 @@ You can get the epoch time on <https://www.epochconverter.com/> and use it to se
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---
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## 7. Other Questions:
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### 7.1. Q: How to Update repeater and room server firmware over the air?
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**A:** Only nRF-based RAK4631 and Heltec T114 OTA firmware update are verified using nRF smartphone app. Lilygo T-Echo doesn't work currently.
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You can update repeater and room server firmware with a Bluetooth connection between your smartphone and your LoRa radio using the nRF app.
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### 7.2 Q: How to update ESP32-based devices over the air?
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1. Download the ZIP file for the specific node from the web flasher to your smartphone
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2. On the phone client, log on to the repeater as administrator (default password is `password`) to issue the `start ota`command to the repeater or room server to get the device into OTA DFU mode
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1. `start ota` can be initiated from USB serial console on the web flasher page or a T-Deck
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4. On the smartphone, download and run the nRF app and scan for Bluetooth devices
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5. Connect to the repeater/room server node you want to update
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1. nRF app is available on both Android and iOS
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**Android continues after the iOS section:**
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**iOS continues here:**
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5. Once connected successfully, a `DFU` icon 
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appears in the top right corner of the app
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6. Scroll down to change the `PRN(s)` number:
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- For the T114, change the number of packets `(PRN(s)` to 8
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- For RAK, it can be 10, but it also works on 8.
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7. Click the `DFU` icon , select the type of file to upload (choose ZIP), then select the ZIP file that was downloaded earlier from the web flasher
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8. The upload process will start now. If everything goes well, the node resets and is flashed successfully.
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**A:** For ESP32-based devices (e.g. Heltec V3):
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1. On flasher.meshcore.co.uk, download the **non-merged** version of the firmware for your ESP32 device (e.g. `Heltec_v3_repeater-v1.6.2-4449fd3.bin`, no `"merged"` in the file name)
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2. From the MeshCore app, login remotely to the repeater you want to update with admin priviledge
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4. Go to the Command Line tab, type `start ota` and hit enter.
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5. you should see `OK` to confirm the repeater device is now in OTA mode
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6. The command `start ota` on an ESP32-based device starts a wifi hotspot named `MeshCore OTA`
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7. From your phone or computer connect to the 'MeshCore OTA' hotspot
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8. From a browser, go to http://192.168.4.1/update and upload the non-merged bin from the flasher
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### 7.1 Q: How to update nRF (RAK, T114, Seed XIAO) repeater and room server firmware over the air using the new simpler DFU app?
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**Android steps continues below:**
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1. on the top left corner of the nRF Connect app on Android, tap the 3-bar hamburger menu, then `Settings`, then `nRF5 DFU Options`
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**A:** The steps below work on both Android and iOS as nRF has made both apps' user interface the same on both platforms:
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2. Change `Number of packets` to `10` for RAK, `8` for Heltec T114
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3. Go back to the main screen
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4. Your LoRa device should already ben in DFU mode from previous steps
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5. tap `SCANNER` and then `SCAN` to find the device you want to update, tap `CONNECT`
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6. On the top left corner of the nRF Connect app, tap the `DFU` icon next to the three dots
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7. Choose `Distribution packet (ZIP)` and then `OK`
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8. Choose the firmware file in ZIP formate that you downloaded earlier from the MeshCore web flasher, update will start as soon as you tap the file
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9. When the update process is done, the device will disconnect from nRF app and the LoRa device is updated
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1. Download nRF's DFU app from iOS App Store or Android's Play Store, you can find the app by searching for `nrf dfu`, the app's full name is `nRF Device Firmware Update`
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2. On flasher.meshcore.co.uk, download the **ZIP** version of the firmware for your nRF device (e.g. RAK or Heltec T114 or Seeed Studio's Xiao)
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3. From the MeshCore app, login remotely to the repeater you want to update with admin priviledge
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4. Go to the Command Line tab, type `start ota` and hit enter.
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5. you should see `OK` to confirm the repeater device is now in OTA mode
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6. Run the DFU app,tab `Settings` on the top right corner
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7. Enable `Packets receipt notifications` and change `Number of Packets` to 10 for RAK, 8 for T114. 8 also works for RAK.
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8. Select the firmware zip file you downloaded
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9. Select the device you want to update. If the device you want to updat is not on the list, try enabling`OTA` on the device again
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10. Tab the `Upload` to begin OTA update
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11. If it fails, try turning off and on Bluetooth on your phone. If that doesn't work, try rebooting your phone.
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12. Wait for the update to complete. It can take a few minutes.
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---
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