I used Amazon's return policy, which lets you return for replacement or refund within 14 days. I returned 1st one on the 13th day, for a replacement. Today, I'm about to return 2nd one on 13th day as well, together with 3rd one which is going back af...

I got 2 replacements. So, I tried 3 new m31s units in total, and they all have the defective audio jack. Plugging in earphones with mic into the audio jack, you will hear a faint buzzing or white noise anytime the device plays a sound (easy to test w...

Yes, I actually got 2 replacements. So, I tried 3 new m31s units in total, and they all have the defective audio jack. Plugging in earphones with mic into the audio jack, you will hear a faint buzzing or white noise anytime the device plays a sound (...

Just in case this is still relevant to you, or to others who find your post later.I got 2 replacements. So, I tried 3 new m31s units in total, and they all have the defective audio jack. Plugging in earphones with mic into the audio jack, you will he...

Ya, no. Even if the service center can open up the device and fix it, it's not acceptable to get a "refurbished" phone instead of a new phone.I got 2 replacements. So, I tried 3 new units in total, and they all have the defective audio jack. Plugging...