Yes i have after changing L & R battery… AirPods 1st gen and 2nd gen

I have AirPods 1st gen & 2gen ... I have change both battery of L & R from 1gen to 2gen ... after install battery in Bothe side L & R and Press and hold the setup button on the back of the case for about 15 seconds to RESET , until the status light on the front of the case flashes amber, then white ... still disconnect from Bluetooth when I tray listen to mp3 file !? what I missed plz? if there any idea plz contact me on WhatsApp : +213663600467