iOS 10.2.1 Jailbreak is possible with Saigon Jailbreak tool. Abraham Masri also known as cheesecakeufo released it as beta jailbreak. iOS 10.2 can jailbreak using Yalu102 tool. It owns Luca Tedesco. However zJailbreak is the only jailbreak alternative solution for both iOS 10.2.1 and iOS 10.2 jailbreak. Here are the methods.
Saigon tool for iOS 10.2.1 Jailbreak.
Abraham Masri has released this method with the support of Ian Beer, Adam Donenfeld, xerub, Luca Todesco and Siguza. It has both PC free online jailbreak method and PC required jailbreak method. You can get PC free online jailbreak method step guide from here.Saigon jailbreak IPA is still a beta version and work with few devices. However, Saïgon Jailbreak will be added other devices for the supported list soon.
Step 01 - Download the Saigon.IPA from the following link.
Step 02 - Download Cydia Impactor from the following button.
Step 03 - Connect your device to PC.
Step 04 - Drag & drop the Saigon.IPA file to Cydia Impactor.
Step 05 - Then you need to enter your Apple ID & Password.
Step 06 - It will take some time, and Saigon app will be available after few minutes.
Step 07 - Before open the app you should verify the profile.
Go to Settings > General > Profiles & Device Management and trust it.
Step 08 - Then open the Saigon app which is downloaded to your device.
Step 09 - Tap on Jailbreak button to start the jailbreak process.
Step 10 - Finally you can see the Cydia app on your device home screen.
Note - If Cydia is not there restart your device and repeat the jailbreak process until it appeared.
Users can jailbreak iOS 10.2 with online yalu zJailbreak method or yalu 102 PC required method. Full functional Cydia available with these two methods. zJailbreak is recommended to jailbreak 32-bit devices running iOS 10.2 only.
First of all, you have to install the zJailbreak application to complete this method. Once complete the jailbreak process, Cydia will install automatically. This method does not require PC or Mac.
iPhone: iPhone 5s /iPhone 6 / iPhone 6 Plus / iPhone 6s Plus iPhone 6s / iPhone SE
iPad: iPad Mini 2 / iPad Mini 3 iPad Air /iPad Air 2 /iPad Pro
iPod: iPod Touch 6G
Step 1 - Install zJailbreak first. Use below zJailbreak installation guide to get it.
Step 2 - Now you have successfully installed the zJailbreak application to your device. Open the zJailbreak and tap the Yalu full Jailbreak tab.
Step 3 - Tap the install link, Now It will show an another popup as the following picture, Tap install again.
Step 4 - Yalu app will be installed on your device. Do not open the app at this time. Go to Settings > General and Profile and device management.
Step 5 - Open the Yalu App and Tap the "Verify and Trust" link just like the following picture.
Step 6 - Now open the Yalu app, and tap the Go button.
Step 7 - Then, Your device will restart automatically. Please wait few seconds until complete the restart process.
Step 8 - You have done. Now you can find the Cydia on your home screen.
Troubleshooting- If you cannot find the Cydia, Please open the yalu102 app again, Then tap Go button (repeat the process).
You can install Cydia for iOS 10.2 versions from this method. But this method asks PC or Mac to complete the jailbreak process. However, it can install full functional Cydia with following method.
Compatible list is same as Yalu102 online.Click here to get it.
(Make sure to download it according to your computer operation system)
Backup your device data before start. You can use either iTunes or iCloud backup methods for it.
Turn off Find my iPhone until finish full jailbreak process. Make sure to reactivate once complete entire jailbreak process.
Disable Touch ID and regular passcode.
Update to latest iTunes version if you are running an older iTunes version.
Step 1 - Connect your iOS device to computer.
Step 2 - Open Cydia Impactor tool.
Step 3 - Now select Yalu102 IPA file and drop it to Cydia Impactor. Follow below image.
Step 4 - Now enter your Apple ID and Password in the following dialog box.
Step 5 - Wait until complete Yalu102 IPA sign.
Step 6 - Now you will have Yalu102 app on your device homescreen.
Step 7 - Now you should trust Yalu102 app - Settings > General > Device > Management. Now click Trust.
Step 8 - Go back to device home screen.
Step 9 - Now launch Yalu102 and click Go button.
Step 10 - Your device will be restart once you tap the Go button.
Step 11 - At this time Cydia icon should appear on your device homescreen.
Step 12 - If Cydia not appears on your home screen and go to homescreen and click Yalu102 Go button again.
zJailbreak is the one and only jailbreak alternative solution for both iOS 10.2.1 and iOS 10.2 versions. All the full functional jailbreak methods(Saigon & Yalu102), which supports to jailbreak iOS 10.2.1 and iOS 10.2 works only for 64-bit devices. Therefore zjailbreak is the only solution to install 3rd party non rooted apps for 32-bit device users.
Note - zJailbreak compatibility is valid to jailbreak iOS 11 and all iOS 10 versions.
zJailbreak installation is highly recommend to following device users only.
iOS 10.2.1 running all the devices (32-bit users)
iOS 10.2 running iPhone 7& 7 Plus devices (64-bit & 32-bit users)
iOS 10.2 running all the devices (32-bit users)
Note - After the installation process, you can not upgrade your device to Semi-tethered Jailbreak to install full functional Cydia with these methods. Cause yalu102 jailbreak is not compatible with these versions.
Step 1 - Click “Install zJailbreak” button to install the zJailbreak app.
Step 2 - It takes sometimes detect your System data.
Step 3 - Now, You can install the zJailbreak application.
Step 4 - Finally, It takes you to "zJailbreak app" installation screen. You must type your security code to install the zJailbreak app.
Note - Now you can work with Pangu Anzhuang, Velonzy and more zJailbreak apps to install non rooted jailbreak apps for the supported devices.