Popping/clicking noise while on the phone

Am I the first person to report this on an M8?

My stock software version is 1.54.707.7 (Asia Phone) & stock radio is 1.16.2133156.UA10G.

In my own opinion (& I have no proof to back it up), I guess the clicking/popping noise from the speaker happens after upgrading to 1.54.401.10_firmware which has the radio 1.16.2133156.UA15G.

The noise comes & goes. It's hard to replicate it. It is quite obvious in poor reception areas & I get drop calls too.

My wife's m8 is still running stock radio & she says she doesn't have this issue. So I've just pulled her radio.img & flashed it on my phone.
I will give it a few days to see if it's the radio or not.

The next step is probably warranty it.

I had this issue so badly on the m7, so when I first bought the m8 I tested it thoroughly to make sure it doesn't happen to me. & now it does

Any advice is greatly appreciated.
Thanks.

AmberBoy said:

Same problem here. After last OTA I hear popping during calls. Bad job HTC.

HTC One M8 & Tapatalk

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Does the OTA have radio update?
Did you note down your stock baseband? & fastboot getvar all after the update to see if there's any difference?

Could you try to roll back to your stock radio see if the problem goes away.
I tested 1 phone call this morning & all is well with the stock radio from my wife's m8.
Keeping my finger crossed.

wpghtc said:

Do you have Bluetooth enabled while this is happening?

Sent from my HTC One_M8 using XDA Free mobile app

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No bluetooth here.
But Yes, your thought is correct. Some people have this problem while using some kind of bluetooth devices.
For my case, it *seems* like the firmware update did it.
Believe it or not, before I flashed 1.54.401.10_firmware, I was thinking "would it cause the clicking/popping noise" & it's sneaking up on me slowly.

I've rolled back to stock radio & 1 phone call this morning showed no issue. Good sign, but this thing comes & goes...it's not a fix yet...
I'll give it a few days & update you guys.

Thank you.

Any advice & input is appreciated !