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.
A RealAge answered. The length of time it takes to whiten your teeth will vary with the amount of discoloration of your teeth. For treatments performed by your dentist, it generally takes 30-90 minutes per visit to make your teeth brighter. It may require as little as one visit and up to ten visits over a period of time. Over-the-counter products may require you to wear a mouthpiece anywhere from 30 minutes a day to overnight for up to a month.