MBP M1 2020 repeated USB-C failure

[VSlavskii]

Posting here to seek advice, see if anyone else has this issue, and what could be possible root causes of this.
MacBook Pro M1 13" 2020: model A2338

The reliability of my USB-C/Charging port has been continuously reducing for some time. External SSDs would not always be detected, charging was becoming more and more unreliable, until charging and USB-C stopped working altogether in May. I took the laptop for Apple Care+ repair. During the repair, they installed a new I/O board, but the device came back with USB ports not functional for either data transfer or charging. It had to be sent back for a logic board replacement, after which it came back working perfectly.

Then, over the last week, the condition of USB ports has been worsening. At first, iPhone/iPad/Android would not be detected for data transfer but they received power from the laptop. Then, only flash drives would be detected and external monitor (USB-C to DisplayPort cable) became unreliable, not always working. SSD would receive power but never showed up as connected in macOS/System Information/Disk Utility. Today, the laptop stopped charging, the USB ports no longer receive or give power and the laptop appears to have no reaction to a connected USB-C charger or any external devices, including flash drive. New Apple Care Plus repair case is pending...

What could be possibly causing the USB-C ports to be failing? No water damage, no drops, no exposure to sand or other adverse conditions. Does anyone else have this type of issue?

 

[livmatus]

have it repaired again and start using a different charger

I was using a charger from a Nexus phone with my old iPad Air 3 … and the home button was not working while it was plugged

also vice-versa my gf’s old OnePlus One phone killed a bunch of chargers

but I’d suspect either the charger you use or some other accessory is defective and causes harm to the Macbook

 

[Lifeisabeach]

I agree with livmatus. This is highly unusual and I'd suspect something is happening with your power source. If you aren't plugged into a surge protector when charging, definitely start doing so. And spend the money for a good one. Not just the surge protector, but the charging brick. Apple's are, of course, very reliable, but there are others. I like Anker's products a lot.

The other thing to consider is your actual electrical supply. If you live in a community with unreliable electrical service, or a home with faulty wiring, that could be a factor also.

 

[VSlavskii]

What’s interesting is that last repair they gave me a new power supply “just in case”, because I complained about loose usb-c port on the power supply. So, it’s been always used with the original power supply, plugged in to a surge protector. I’m located in Southern California, in a rather new apartment building, so power issues are rare.