Samsung, HTC, Motorola and many other top manufacturers are using Android in their devices. Currently Android is one of the top operating systems and is considered a serious threat for iPhone. Some of the smartphones operating on Android are HTC Desire, Samsung Galaxy Gio, Motorola Droid Razr, Samsung Galaxy S3 and HTC Wilfire.

Samsung Galaxy S Duos 3 price in India starts from ₹ 6,048. The lowest price of Samsung Galaxy S Duos 3 is ₹ 6,048 at Flipkart. Nov 03, 2009 · The three new business price plans – O2 Release, O2 Release Edge and O2 Flexi – also apply to the Palm Pre smart phone and pricing depends on the model of the handset, for example the 32GB iPhone 3GS handset costs €139 on the €109 per month O2 Release plan while the 8GB Palm Pre handset is free on this. The collection contains schematic diagrams and service manuals of excellent quality for over 260 models of Samsung mobile phones. Other schematic diagrams and service manuals can be downloaded from our Free online library on electronics .