How to detect and repair bluetooth remote control such as TV or TV box?

It's very simple, just have a hand
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How to detect and repair bluetooth remote control such as TV or TV box? Teach you a trick to fix it without spending money [I love electrical appliance repair]
#ElectricalMaintenance#RemoteControlRepair#Detect

[@wytse6651]

你好！

[@wytse6651]

我測試遙控沒有坏，但是電視機开不了，是哪儿坏了？

[@user-vx3yu7pk8w]

你好 电视按键锁定怎么关闭？