how do you flash new firmware? I want to install the latest meshtastic with meshtastic flasher tool, but won't go into boot mode

OK, this is the 3rd time I've tried to answer this question. If Amazon doesn't want me to answer, they should probably stop asking. The most reliable way I have found to flash the firmware is to use the python tool ,ESPtool, that works with the ESP32 chip. You can find instructions on meshtasticDOTorg under Getting Started > Flashing Firmware > CLI Script - ESP32 Obviously you need to make sure you are writing the correct firmware.

What is the overall board dimensions?

Please check the video there to show the product size.

What is the typical range for one of these devices? More then a mile?

My three boards are setup with SoftRF firmware not Mestastic but the hardware is the same. They are used to track gliders, the longest range when testing was just over 20 miles. But the unit was at 3000 ft. They are line of sight devices if the terrain is blocking it will be much shorter.

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🚀 Elevate your IoT game with the ultimate all-in-one dev board!

ROBUST PROCESSING POWER - ESP32 MCU with ample 4MB Flash and 8MB PSRAM ensures smooth multitasking and complex programming.
PLUG AND PLAY PROGRAMMING - CH9102F serial chip simplifies coding with easy driver installation—get your project live faster.
PRECISION LOCATION TRACKING - Built-in GPS NEO-6M with ceramic antenna and RTC battery keeps your projects accurately positioned 24/7.
COMPACT FLEXIBLE ANTENNA DESIGN - Space-saving 3D WiFi antenna plus optional IPEX external antenna port for tailored wireless setups.
SEAMLESS LONG DISTANCE CONNECTIVITY - Harness the power of SX1276 LoRa chip for ultra-low power, reliable data transmission across miles.

The LILYGO T-Beam Meshtastic LORA32 is a cutting-edge development board featuring an ESP32 MCU with WiFi and BLE, a 915MHz SX1276 LoRa chip for long-range, low-power communication, and an integrated GPS NEO-6M module. Designed for professional developers and IoT enthusiasts, it offers 4MB Flash, 8MB PSRAM, flexible antenna options, and a CH9102F programming interface, making it the go-to platform for innovative, location-aware wireless projects.

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Wireless Type	802.11bgn
Brand	LILYGO
Item model number	Meshtastic
Item Weight	2.89 ounces
Package Dimensions	5.91 x 4.76 x 1.42 inches
Processor Brand	Espressif
Number of Processors	1
Computer Memory Type	DIMM
Manufacturer	LILYGO
ASIN	B0B63FV7FR
Date First Available	March 21, 2022

LILYGO T-Beam Meshtastic LORA32 915MHz ESP32 TTGO Development Board WiFi BLE CH9102F Chip Soldered OLED Module

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