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toh:zyxel:nbg6515_ac750 [2021/05/09 12:06] – ↷ Page name changed from toh:zyxel:zyxel_nbg6515_ac750 to toh:zyxel:nbg6515_ac750 tmomastoh:zyxel:nbg6515_ac750 [2021/07/21 08:56] – Official information from manufacturer added. jhench
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 /*****/ /*****/
  
-{{ media:img_nbg6515_main_380.png?200|NBG6515}}+{{ media:zyxel:nbg6515.png?200|NBG6515}}
  
  
 ===== OpenWrt support ===== ===== OpenWrt support =====
  
-Supported: WAN/LAN through plain OpenWrt; <color #ed1c24>WLAN with EEPROM information dump from original firmware</color> +Supported: WAN/LAN through plain OpenWrt; <color #ed1c24>WLAN 2.4 GHz with EEPROM information dump from original firmware, 5GHz not working, but check out [[user:jiringgot|Jiringgot]]</color>  
 +  * To use with OpenWrt, you will need to open the device and access TTL Serial.
   * Has TFTP bootloader capabilities, can be tested without flashing.   * Has TFTP bootloader capabilities, can be tested without flashing.
   * <color #ed1c24>Make copies of your original firmware through a TFTP-booted instance of OpenWrt, in particular of the factory/mtd2 partition.</color>   * <color #ed1c24>Make copies of your original firmware through a TFTP-booted instance of OpenWrt, in particular of the factory/mtd2 partition.</color>
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   * <color #ed1c24>Currently no way to return to stock firmware; only firmware upgrade images are released from manufacturer.</color>   * <color #ed1c24>Currently no way to return to stock firmware; only firmware upgrade images are released from manufacturer.</color>
   * Possible to flash with existing images (see below) via TFTP   * Possible to flash with existing images (see below) via TFTP
 +  * According to personal communication with the Zyxel developer team, there is no way to trigger TFTP flash through a button press/hold or alike (2021/07)
 +  * TTL Serial is required (once) to upgrade from stock firmware to OpenWrt, three pins need to be soldered to three pre-made positions (easy).
   * TTL Serial: J1 next to USB port. Order of pins from USB towards LEDs: [VCC 3.3V][GND][TX][RX]   * TTL Serial: J1 next to USB port. Order of pins from USB towards LEDs: [VCC 3.3V][GND][TX][RX]
   * TTL Serial connection: 57600, 8N1 (e.g., ''picocom -b 57600 /dev/ttyUSB0'' with TTL-USB-adapter)   * TTL Serial connection: 57600, 8N1 (e.g., ''picocom -b 57600 /dev/ttyUSB0'' with TTL-USB-adapter)
  • Last modified: 2021/12/01 17:02
  • by jhench