Please help me identify this 6-pin SMD marked mAHG (mAGS):
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SIP-Phone Yealink SIP-T19
Can be RT9011 (dual channel LDO), judging from the presence of ceramic caps (possibly for decoupling) at pin5 (VIN).
Installed a jumper pin 1 - pin 4. Its work!
I will order analog switch.