If you want to use Cydia themes, you first have to Jailbreak your iPhone. This will give you the ability to use themes that are not made by Apple. First you’ll have to install Winterboard in Cydia and then, all you have to do is add the Web source for the theme in Cydia and search for the desired theme. To get the best Cydia themes and to find out what is the best theme on Cydia, read this top ten countdown.
10. Windows 7 Ultimate Theme
This may be a bit controversial, Windows OS on an Apple product. For all of you who want to have a cool Windows 7 Ultimate theme, you must have ModMyi Repository added to Cydia. The Windows 7 Ultimate theme features a full UI, 125 icons, loading screens and SBSettings theme. It provides custom tap to power-off and answer buttons, compass, dock, lock screen and carrier images for t-mobile & at&t, notes, sms, loading screens, etc.
9. BlackMac iPhone Theme
The BlackMac iPhone Theme is one of the coolest Cydia themes. It features a simple styling and a minimalist look in black. It features wallpaper, lock background, icons and more, but it has limited icon support. In order to use this Cydia theme you have to add the PlanetiPhones Repository and search for and install the BlackMac iPhone Cydia theme.
8. Bliss iPhone Theme
The Bliss iPhone Theme is a simple, lightweight Cydia theme. It features over 150 matching icons, a custom dock, slider and battery. The best thing about this theme is its clean design and the large variety of supporting icons. To install this theme you must have ModMyi Repository added to Cydia, and then search for Bliss theme in Cydia and install it.
7. Glasklart iPhone Theme
The Glasklart iPhone Theme features excellent transparent icons which will give your iPhone a cool transparent look. It also has 120 icons, custom badges, lock screen sliders, pop-up dialogs, SMS bubbles, etc. To install this theme you must have BigBoss and ModMyi Repository added to Cydia, and then search for Glasklart in Cydia and install it.
6. Ultimate Chrome Theme
This theme will give your iPhone a brushed steel look. It features custom loading screens, a lockscreen that works great with AndroidLock, battery, LiveClock, WeatheriCon, iPod Skin, SMS theme, Keyboard, some Cydia icons and apps store icons framed in Chrome. To install this theme add the ModMyi Repository to Cydia. The next step is to search for Ultimate Chrome in Cydia and install it.
Read on to find out about the remaining iPhone Cydia Themes. Discover the remaining five and take a look at the number one top iPhone Cydia Theme, which has support for the HD Retina Display on the iPhone 4.
Remember, to download and install Cydia iPhone themes, you will need both Cydia and Cydia sources. Again, you can find out what Cydia is and how to use it, here. You may also want to read the guide to the best Cydia sources, here.
5. Blue Thunder Theme
Blue Thunder is an excellent clean and stylish iPhone Cydia Theme. It has almost 250+ icons and it also features a calculator, clock and the media player. Other features are include a custom lockscreen, wallpaper, custom icons, custom loading pages, etc. To install this theme add the BigBoss and PlanetiPhones Repository to Cydia and then search for and install the Blue Thunder theme.
4. Classica iPhone 4 Theme
Classica iPhone 4 Theme has high resolution retina display iOS 4 icons. This gives your iPhone 4 cool and clean look. To install this theme first add ModMyi Repository to Cydia. The next step is to search Cydia for the Classica iPhone 4 theme and install it
3. Alit Theme
The Alit Theme for Cydia features over 32 icons, slider, badges, cool dark gray wallpaper, status bar, dock, lock screen background, etc. To use the Alit Theme you have to add ModMyi to the Repository of Cydia and then search for and install the theme.
2. GinoAwesome Theme
The GinoAwesome Theme is a great Cydia theme for iPhone. It features a unique icon set that has support for all of the native Apple Apps and a lot of popular App that can be downloaded and installed using Cydia. To get the reflection look, install the Reflective Dock Cydia app. To use this theme you have to add pwncenter source to Cydia.
The AfterHours-HD is definitely the best Cydia theme. It features a clean design that fully uses the potential of the new iPhone 4 Retina display. AfterHours-HD has full icon support for almost every App. To install this App you will have to add ModMyi to the Cydia repository and search for the AfterHours-HD theme.