Acer Iconia B1 where would I find serial number

try this link might help. Step 1 Acer Iconia Tab B1-711 3G - Factory / Hard reset / Password Removal

1. Power off the tablet. Press and hold the Volume Up and the Power button. ...
2. [SD Image Update Mode]
3. wipe data/factory reset.
4. Yes - delete all user data.
5. Reboot system now.
6. Your tablet will reboot and go to the Welcome screen.

Acer Iconia Tab B1-711 3G - Factory / Hard reset / Password Removal ...

https://www.ifixit.com/Guide/Acer+Iconia+Tab+B1...Factory...reset.../23792 acer tablet restore to factory settings Google Search

You gave no model number so I had to pick one for you. Follow the link for battery help. Acer Iconia B1 Tablet Battery Replacement

Check online specifications:
Acer Iconia Tab B1 710

Acer Iconia Tab B1 710 Specifications

Acer ICONIA B1 710 L480 Specs CNET

Acer ICONIA B1 710 L867

Here is the download site for android version of the flash player.

Download Adobe Flash Player 11 2 202 228 Free for Android

The SSID number is the identity of the router you are trying to connect to, not your computer.

Turn on the Wi-Fi under settings and look at the list of SSID's there.

Try just looking on the box it came in and/or the owner's manual.

Bluetooth

why does my acer iconia keep saying Thermal warning and shutting down when I have only just switched it on?