I have cricket service on a Samsung galaxy grand prime. I had downloaded an app to tether my tablet and my son's phone because he has no data. Worked beautifully. I did a system up date. Now it doesn't work. I contacted Cricket. Cricket expects me to pay $10 extra dollars a month just to use something I was previously using for free. They say I have to get the plan that has back bigger data allowance to use it... when it was working just fine with what I had. Please help.I travel a lot. And use Google maps religiously. But tethered my tablet to my phone so I could mount it an my dash and see better and don't have to fumble with my phone.