For the UK market:
1. Samsung Galaxy S3 16GB Blue (No change from November)
2. Samsung Galaxy S2 (up two places)
3. Samsung Galaxy Ace (up three places)
4. LG Nexus 4 (up one place)
5. Apple iPhone 4S 16GB (down three places)
6. Apple iPhone 5 16GB Black (down three places)
7. Nokia Lumia 800 (up four places)
8. Samsung Galaxy Note 2 (down one place)
9. Samsung Galaxy S3 Mini (up seven places)
10. Samsung Galaxy Ace 2 (new entry)
Source UK Market
Source for US market
1. Samsung Galaxy S3 16GB Blue (No change from November)
2. Samsung Galaxy S2 (up two places)
3. Samsung Galaxy Ace (up three places)
4. LG Nexus 4 (up one place)
5. Apple iPhone 4S 16GB (down three places)
6. Apple iPhone 5 16GB Black (down three places)
7. Nokia Lumia 800 (up four places)
8. Samsung Galaxy Note 2 (down one place)
9. Samsung Galaxy S3 Mini (up seven places)
10. Samsung Galaxy Ace 2 (new entry)
Source UK Market
Source for US market