Below are steps to setup a pay and go O2 sim card with the Samsung Galaxy Tab P7300. This should also work on the 10.1 tab with 3G.
Skip this step if the sim card has already been activate and used in another device.
The tablet does not need to be powered off when performing the steps below.
Registering the sim allows the pay and go sim card to be managed online. This includes topping up and buying bolt ons.
Go to the O2 website and create a new account registering the sim on the account. The new account can be linked to an existing account. To do this log out of the pay & go account and log into the other account. In My O2 there is a link to Link/view your o2.co.uk accounts.
Then click on the Link an existing account hyper text and follow the instructions to add another account.
Once complete the pay and go sim can be managed by one log in.
The pay and go option complements my contract sim on my mobile well. It means I don’t have to pay for 2 contracts and no tethering is required (for battery reasons). The pay and go sim has a 6 months period before becoming inactive so as long it’s being used it will remain active. The O2 store representative said that can be a text or phone call. I asked if using data counts and she said it does but I have not had it long enough to test this.
O2 also offers the pay and go sim in iPhone / iPad micro sim version too.