【AGPTEK】A19 Firmware Upgrade

A19 Bluetooth Upgrade

The device Bluetooth upgrade, compatible with the latest airpods pro 2 generation Bluetooth earphones.
Note: If there is mono sound after the upgrade, please check whether the version of the Bluetooth earphones is the latest version. Please update the earphones to the latest version and use it after linking to our MP3 (Bluetooth earphones update: use the Bluetooth earphones to connect to the iPhone and it will be updated automatically).
Update on Dec 21, 2022.

Optimized Issue1: When pairing, there are multiple Bluetooth devices on the Bluetooth list; after successfully connecting, the MP3 player always displays the last Bluetooth device name.
Optimized Issue2: When inserting the TF card, the MP3 player will read the e-book from itself by default, instead of reading the e-book from the TF card.
Master Control: 2157.
Software Info: AGP-A19-20220613V1.0.
Update on Nov 17th, 2022.

Optimized the problem that music files added to playlist 1, but are shown add to playlist 2. If you add to playlist 1, it will display successfully added to playlist 1.
Optimized the problem: after setting the maximum volume, the maximum volume cannot exceed the maximum volume limit when the screen is off.
Master control: 2157.
Software version: AGP-A19-20220311V1.0.
Update on Nov 17th, 2022.

Solve the problem that the recording interface will freeze or crash for rare languages.
Update the User Interface of the music playback, the recording and the FM radio.
Note: The main control of this software is 2157, thus only the version after 2021-05-19 (included) can update this firmware.
Update on Nov 17th, 2022.