Continue holding it throughout the boot process.When you see the first boot screen logo appear, press and hold the volume down key.Pay attention while the phone is booting!.Wait thirty seconds and then turn the device back on.

Press the power button and tap the option to turn off the phone.Hope this helps anyone experiencing similar issues.Once you find the app causing the problem, then you can uninstall any others you uninstalled without worry. And it's worth spending more for a a manufacturer's reccomended guaranteed compatible known brand than something cheap unknown but reccomended on Amazon due to fake reviews. If you either buy a headset with the usb connector on it, or use what you already have in the 3.5mm socket and ditch the adapter, then you shouldn't have any problems. It's always better if you don't have to use an adapter, both from audio quality and compatibility perspectives. There's no real difference in Audio quality unless you get high end phones and headphones. If you need to use usb in, then it's best to buy headsets with a USB connector at the end. Android headphones and android phones are wired differently and are incompatible. Most earphones with an online mike built in have one jack with 3 rings, an extra one for the microphone usually mixed down to mono for headset compatibility. So if the adapter is wired differently to your earphones, then you often get problems with compatibility. Unless you take the adapter apart, you can't see how it's wired inside because most 3.5mm jack's dont unscrew like the 1/4 inch jack's do, so you can't see the connections inside. On a stereo mike you'll see two rings, one for left, one for right, and one for earth. On a mono mic jack, you will see only one thin rubber or plastic ring (the rings stop the current for left and right combined and earth mixing). If (like my headset) there's two 3.5mm jack's which connect into an adapter these need to be compatible, eg mono to mono, or stereo to stereo. Expensive sets like my work headset are wired for stereo earphones and stereo microphones, whilst cheaper sets are wired for Stereo earphones (almost every cell phone can output to headphones in stereo) and mono microphones. XLR connected Performance Microphones (Sure/Senheiser etc) come in come in two flavours, balanced (expensive - wired for stereo) and unbalanced (cheap- wired for mono). I'm an ex DJ, so know about these things. The mic nor working problem will more than likely be down to the wiring on the connecting headphones, or if it's Apple or Android compatible, as wiring differs for both phones.

No mic on skype samsung galaxy s7