I used Samsung S-1, 2, 3 , HTC desire - 816, sony xperia c5, Nokia lumia 650, Black berry curve From all these above the best phone I have used and still using is Iphone 5s I dont even wish to upgrade to 6 or 6s coz this is perfect in shape and process, looking, user friendly. for me, Always the Best phone now & for ever is - iOS apple iPhone-5s