Not of the original post, but most companies will close a number if no activity for 6 months cz and often after 3 months, you'll lose whatever credit you had.
I think virgin only does this after a year.
Yes, this is standard practice.
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Want a phone for holidays, buy an UNLOCKED phone (can get basic phones for around 20-30 pounds, and sometimes even cheaper).
Buy a sim card in the country you're visiting if only using abroad, with only a couple calls home. This would be a lot cheaper, than a UK SIM, and also not all foreign networks accept UK SIM cards. So easier to just buy locally, and if Calling home etc, just text first.... Hi son/daughter, this is mum etc.
Phone batteries go completely flat after approx 2 to 4 months. This means it takes extra time to charge, cos you're starting from a dead battery. Letting s.phone.go.completely flat often, can damage the battery and eventually you won't get a days battery and might.only get a few hours in-between charges.
My.suggestion...
Get a cheap phone and get a foreign card from carohonewharehouse, or lyco (spelling). These can be used cheaply in the UK, and are cheap to use abroad too.
Then once a.month, charge the phone, and send a couple text messages, and most importantly make sure you receive a text back.
This way, you keep your credits, keep the battery topped up, and don't lose your number.
Dependingmon what.yiu want from a phone, if it's JUST CALLS N TEXTS, then nokia.do a modern version of the old 3310. As you don't need internet, then get the basic model which is just 3g (means you can make clear calls) and will work all over the world.
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If going to a Caribbean country, you may HAVE to buy a.local card anyways, as they have their own special network... This is true for a couple other countries too.
Hope this helps.