Most Helpful Answer. Dial * #0 *#, then click on loopback, click start RCV DualMic and speak into the microphones, you should hear your voice playback. Do the same with the second test and see if you can hear your voice again. Make sure your volume is on full before testing. There is one mic on top and one on the bottom. Galaxy Note 20 Ultra WhatsApp Performance. 20-10-2020 09:34 PM in. I've seen this specific issue plastered all over the Samsung and other Android forums hundreds of times, that WhatsApp video / voice calls over WiFi grind to a halt within seconds of starting. This issue seems to be specific to the Note 20 Ultra (unknown if its just the ultra or I've witnessed the issue with video calls on the normal Note 20. The Ultra doesn't appear to have the issue, but Facebook apps don't use the correct microphone when video calling on the base Note 20. This screws up the noise cancelation on the microphone because the speaker is right next to it. For me, the phones mic is used even though I have my buds pro in my ear and can hear the call through them. I have tested this by using the voice recorder then walking in to a different room, it is definitely using the phones microphone even when my earbuds are in my ear. Such a pain and almost useless to use as hands free. The Galaxy Note 20 Ultra is also thicker in size, so you'll get a much better grip. It's got a thicker camera bump too, which doesn't look that good. But on the flip side, the new Mystic Bronze colour is quite a sight to behold. The 6.9-inch Dynamic AMOLED 2X QHD+ Infinity-O display. I returned the device and got a replacement but the same issue happened on the second device too. That's when I did further research and realized that it must be a software issue rather than a hardware issue. Based on other stories, looks like the latest Android update caused the issue. Hope Samsung quickly releases a patch for this. Since it wasn't under warranty, Samsung won't fix it. It'd be nice if they stood behind their products when so many people are having the same issue. The only thing I found to fix the problem is Settings>Accessibility>Hearing Enhancements. Go to bottom and move the Phone Speaker to the Left. 0. Fix 3: Remove and re-insert the sim card. Your phone can throw errors such as No Sim Card Detected when the sim card is damaged or misplaced in the sim tray. To rule out this possibility, open the sim tray and check if the sim card is placed as it should be. Also, check for any damage on the card. If you found any damage on the sim card .

note 20 ultra microphone issues