HTC One M7, Samsung Galaxy S4, Sony Xperia Z are just three among the latest smartphones today, and these three are quite expensive once released in the market. So if are looking for the best deals outside physical stores, online mobile shops are your best options. They offer great deals with top-of-the-line devices. Visit the five best Web sites to get the cheapest deal you want.

Phones4U

It is one of the most popular online stores, offering best deals with the latest mobile gadgets in the world. Phones4U was the Best High Street Retailer in 2012 and has free delivery on all orders and secured checkout. Current best deals include:

iPhone 5 - Free from £33 per month

Sony Xperia Z - Free from £36 a month

HTC One M7 - Free from 12 month contract on £47 per month

Uswitch

This is UK's No.1 mobile phone comparison Web site, offering contract deals and cheap mobile phones. The website also offers gas and electricity products, broadband, TV & home phones, and money and insurance services.

1. Blackberry Z10 for £37 a month

2. iPhone 5 for £31 a month

3. LG Nexus 4 for £27 a month

MoneySupermarket

The Web site has a vast number of services offered aside from mobile phone deals. MoneySupermarket has offers also for money and insurance, travel, energy, shopping, broadband and vouchers.

1. Blackberry Z10 - £22.17 monthly

2. Samsung Galaxy Note 2 (Grey) - £25.38 monthly

3. HTC One X - £14.00 monthly

Affordablemobiles

This online shop focuses on mobile devices, particularly smartphones. You can browse for bestselling deals or new releases.

1. Sony Xperia Z - £26.00 per month

2. Apple iPhone 5 (16GB) - £26.00 per month

3. Samsung Galaxy S3 (Blue) - £20.50 per month

Dialaphone

The smart choice for smartphones, according to their Web site. They feature models from Apple, Blackberry, Doro, HTC, Huawei, Motorola, Nokia, Samsung to Sony.

1. Sony Xperia Z for £25 monthly

2. Samsung Galaxy Note II for £29 monthly

3. Blackberry Z10 for £25.38 monthly