What is Cydia?
Cydia (pronounced /Ààs…™di.…ô/) is a software application for iOS that is a graphical front end to APT and the dpkg package management system. Cydia is a software application developed by Jay Freeman (also known as saurik) for the iPhone OS that allows the user to browse and download applications usable on a jailbroken iPhone or iPod Touch. Cydia allows a user to find and download applications and software packages for a jailbroken iPhone, iPod Touch or iPad, by browsing repositories that list these applications and packages, most of which are available at no cost. Cydia also includes the Cydia Store, which offers a number of applications for sale.
In simple words, I can say that Cydia is iPhone app that will let you install 3rd party apps (apart from iTunes App Store), software package, tweaks, etc, for jailbroken iPhone, iPad, iPod, or any other iDevices.
How-to get Cydia installed on iPhone?
To install Cydia, you have to jailbreak your iPhone using any jailbreak tools such as PwnageTool, redsn0w, blackra1n, limera1n, Spirit Jailbreak (JailbreakMe), greenpois0n, etc. Please browse all iPhone Jailbreak tutorial to find the one that match with your iPhone (i.e. iPhone 2G, 3G, 3GS, or iPhone 4) and iOS (i.e. iOS 3.1.2, iOS 3.1.3, iOS 4.0, iOS 4.0.1, iOS 4.0.2, iOS 4.1, iOS 4.2.1, etc)
There are some jailbreak tools that embedding Cydia inside the jailbreak tool itself (i.e. redsn0w, PwnageTool, Spirit Jailbreak). Those tools (or by default settings) will install Cydia automatically once jailbreak process completed. But, some jailbreak tools (i.e. blackra1n, limera1n, greenpois0n) will install an app on iPhone and attach Cydia installer inside the app itself rather than bundling Cydia inside the jailbreak tool itself. The separated Cydia installation requires Internet connection to install Cydia.
Install Cydia on iOS 4.2.1 after greenpois0n jailbreak.
If you did jailbreak iPhone firmware 3.1.2 using blackra1n, you can install Cydia by opening blackra1n app on your iPhone, select Cydia, then install.
If you did jailbreak iPhone using redsn0w, make sure you check the “Install Cydia” option.
First time set up after Installing Cydia
Now, let’s say that you already have jailbreak your iPhone and installed Cydia successfully.
Make sure your iPhone is connected to Internet.
1. Open up Cydia app on iPhone.
At the first time running Cydia, cydia will be Initializing Filesystem for the first time. When complete, cydia will exit then re-start cydia app.
2. Now you will be asked “Who Are You” which will determine how Cydia app interact with you based on selected category. Selecting the right category will help Cydia to apply correct filters. There are three options: User, Hacker, Developer. Tap “User” (recommended for common users) and tap Done.
3. Cydia will check for packages updates and ask you to update its database for the first time. You can see the progress in the top says: “Downloading packages” which will download new packages database index.
4. Just let Cydia downloading its database index.
5. You will be prompted to upgrade the package. There are “Upgrade Essential”, “Complete Upgrade”, and “Ignore (Temporary)”. Choose Complete Upgrade then tap Confirm to start upgrading. Do not ignore this upgrade, otherwise you are likely to encounter errors.
6. Wait until the process complete, then tap Close Cydia (Restart)
7. Now, Cydia app should be working fine. You may start adding favorite repo to Cydia and start installing package to modify, tweak and customize your iPhone or installing 3rd party apps outside official apps from iTunes store.
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{ 49 comments… read them below or add one }
Hey,my iPhone 1st gen broke because I downloaded something and then friend to open cydia and no app on my iPhone was working when I tapped on it,this is happening also from apps that I download from the app store but I just want to know why this is happening. Anyway the only thing I wanted to do was fix it and then re-jailbreak my old iPhone but now my parents won't let me because u fuckers messed up! You dirty dip shits! I want cydia and now all I can do Is wait unroll I get an iPod touch or anathor iPhone and the jailbreak it.I'm using a 3G but I want to jailbreak it and now my brother (who wAs also jailbroken at the time) hates me because of what you did!
DO i still need to connect my itouch to pc when installing cydia?
No need.
hi, i bought my iphone, and its already jailbroken. the problem is.. they didn't install cydia. coudn't tell what type of software they used to jailbreak the phone.. and no software @ my apps either. i want to install cydia :(
i have iphone 3g 3.1.2 firmware with modem firmware 05.12.01. i had my cell phone on emergency call only mode after i tried to install 3.1.3, but later i managed to restore 3.1.2 with redsnow, i can c my page now but cydia wont open, so i cant unlock it. i hv tried everything in iphone browser to repair cydia but it wont workl. wat shud i do?
n furthermore, when my phone starts up, it does so with so many codes in the beginning.
You can re-jailbreak your iPhone by yourself. Please see iPhone Jailbreak tutorial.
Try restore and re-jailbreak your iPhone.
I have a 3.1.2 firmware. Does restoring automatically upgrade the OS or will I still retain my 3.1.2?
Depend on what version did you use to restore. If you restore 3.1.2 firmware, it will remain 3.1.2 version. Otherwise, it will use the version of used firmware.
Hi
hihi~~
我的手機3gs之前jailbreak到4.2.1後upgrade到4.3,現在已downgrade到4.1 baseband 5.16.01,當我用TU裝cydia時去到defult說已損壞，另由itunes做host file不成功（因我不懂）,還有其它方法嗎?
現在我的手機算是已jailbreak的嗎？如不是,裝了cydia後是嗎？
thx~~
I actually didn't get your question. Are you about downgrading and then not succeed?
my itouch does not get past step one it is stuck on that step and just keeps saying "Initializing Filesystem" everytime i open cydia
Are you connected to Internet?
yes my wifi is on. its connected to my network but gets stuck at initializing filesystem
hi friends,
i jalbreak my iphone3gs using snowbreeze.
how to unlock baseband 5.16.01 ?
ultrasnow 1.2 on cydia cannot unlock 5.16.01 baseband
pls help as am trying hard to do it..but dint achieve any success till date.
Hi, it can be unlocked now using sn0wbreeze-v2.3b4…
thanks,
sorry, can't b unlocked, pls guide
regards
After jailbreaking with snowbreeze 4.3 beta 4
And thn unlocking with ultrasn0w thru Cydia
it goes to searching mode:(
But nor detects the carrier
Pls help
Restart the iPhone…
i started iphone umpteen times, it is unable to detect the network..
baseband is 5.16.01, firmware 4.3
please guide
is it advisable to downgrade to 4.2.1 and upgrade to ipad baseband 6.15
and unlock using ultrasn0w ??
pls guide
i want to install cydia
Hi ihave trouble about the upgrades coz i recieve errors and cant complete the installation hope you can help me… Pls email me if you want to help here’s my email add : arjayregis14@yahoo.com
Merci
i dunno whether the phone is a factory unlock or software unlock ,can anyone tell me how to check it and also in my phone cydia is not there and i dunno if the ifone4 is jailbreaked ,how do u check it
how to make it in i-touch 2
I got a 3Gs here in Beijing second hand already jailbroken w Cydia installed. Cydia has a red #4 on the icon, and when I open, it tells me essential upgrades need to happen. I confirm this process. After a rapid-fire series of error messages, it concludes by telling me "Error refreshing data." In the meantime, I'm unable to download any of the apps through Cydia ("Note: Cannot locate package"), suggesting that my firmware is out-of-date. I'm a complete noob, so any help most appreciated.
P.S. It's around step 6 where the snafu starts to happen.
Just go to http://www.jailbreakme.com on your iphone/ipod touch and you can install cydia
Download Cydia at http://www.jailbreakme.com – Go there on your iphone/ipod touch and you can download Cydia
Ifnjr
can anyone tell me how to reinstall the cydia to iphone4 if i've accidentally deleted my cydia? thanks
I cannot be able to find Cydia. I used redsn0w to jailbreak. Than Cydia disappeared. Any way I reinstall Cydia separately?
Hey
to install go to http://www.jailbreakme.com
Hello,i have a jailbroken Iphone 3G and i tried getting Cydia to work so ican recieve&send picture messages but the pictures go to my Facebook?now when i open up Cydia and go to manage account it ask "connect with facebook" or "sign in with google" but i do not want the pictures going to either,what do i do to fix this?please help
why my iphone4g 32gb show me it safe mode,(last time in install Mywi software form cydia) i del mywi in setup by computer but it still in safe mode and power on/off very slow then befor ,,, how i exit iphone safe mode
To install Cydia, you have to jailbreak your iPhone using any jailbreak tools ,Make sure your iPhone is connected to Internet,
Just go to http://www.jailbreakme.com on your iphone/ipod touch and you can install cydia
install Cydia and now my iPhone 4 would not come on after instructed to restart my phone…anyone? help….
just want to download to get invidualdelete call
4.3.5 Cydia without jailbreak
inhshdk
My phone iphone 4 had cydia. I recently upgraded with ios 5. Now i am missing cydia. How can i get it back? My previous firmware version was 4.10 now it is 4.11
every time I open cydia it says preparing file system then exits
Can I install Cydia without Jailbreaking the idevice?
How do I set up my cydia on my iPhone or please reprogram it to my phone please
Im Stuck At Step One Also On a Ipod 2nd Gen Rebooted and ReJailbroken Ipod And Say initializing Filesystem and will not open how do i fix it….?
How do I reinstall cydia app and features back to phone after deleting cydia off of iPhone 4s 5.0.1 and phone is still jailbroke?