Re: What Functions Does a Smartphone Still Have if U Take Out the SIM
yeah it should work as normal only with no updating of apps unless on wifi.
Tube map should be OK
Street maps may be a problem as they like to download the maps data a s you use it. if it's an android phone you can download a google map for off-line use
Another option is to pickup a PAYG sim card in the UK. for £15 Three has a PAYG sim with unlimited data or £10 for 500MB
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