Vodafone will also unlock its handsets, though at a potentially higher cost. You can generally get a free unlock if you're on contract-or if you purchased your phone more than 12 months ago. Otherwise it will cost around Â£20. Sometimes the network will unlock your phone in just one day, but it can take up to two weeks.EE is a little bit stricter with its unlocking terms.therwise it will cost around Â£20. Sometimes the network will unlock your phone in just one day, but it can take up to two weeks. EE is a little bit stricter with its unlocking terms.
1 Whitening Strips â These resemble clear adhesive bandages that are stuck onto the teeth and left there usually for 30 minutes at a time, twice a day for a week or two. 2  Brush-On Whitening â These gels are painted directly onto the teeth with a small brush and sometimes left overnight.
This sensitivity in whitened teeth is temporary and should disappear within 1-3 days. Such a side-effect is why tooth whitening treatment is not ideally recommended for those with sensitive teeth and not allowed for children below 16. The above methods are not meant to substitute a doctorâs advice.