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Get 500B子機ファームアップデーター old version APK for Android
This is an app for updating the firmware of RTR500B series slave devices.
"500B Handset Firmware Updater" is an application for updating the firmware of RTR500B series handsets.
The update resolves the issue disclosed in the "Apology and Request Regarding the Wireless Communication Function of Our Products" section.
Please check the following page for details on the content and applicable products.
Apology and request regarding the wireless communication function of our products
https://www.tandd.co.jp/news/detail.html?id=703
■Target equipment
The following products shipped between September 2020 and September 24, 2024
- RTR501B, RTR501BL
- RTR502B, RTR502BL
- RTR503B, RTR503BL
- RTR505B, RTR505BL
- RTR507B, RTR507BL
*Old RTR-500 series products without B or BL at the end of the model number (e.g. RTR-501, RTR-501L) are not subject to this issue.
■Update procedure
Information on RTR500B handset firmware update
https://www.tandd.co.jp/update_info/?t=androidos
What's New in the Latest Version 1.00
Last updated on Apr 29, 2025
初期リリース
認証基準を満たさない無線通信動作を修正しました。詳しくはこちらのお知らせをご覧ください。
https://www.tandd.co.jp/news/detail.html?id=703
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500B子機ファームアップデーター
1.00 by T&D Corporation
Apr 29, 2025