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. You cannot change the font that your iPhone uses unless you jailbreak it. Jailbreaking is not possible on some versions of iOS. If you can't jailbreak your iPhone, you can't change the font. You'll find Cydia on one of your Home screens. Cydia is essentially the jailbroken iPhone's App Store. If this is your first time launching Cydia after jailbreaking, it will likely automatically update and restart your iPhone. This app for your jailbroken iPhone is available for free from the ModMyi section, which is a standard section in Cydia. Open the BytaFont details page, tap Install, and tap Confirm to begin the installation process. Your iPhone will automatically restart after the installation is complete. This app will allow you to download and install new fonts for your iPhone. You'll find it on one of your Home screens after installing it in Cydia. Once you've loaded BytaFont, you can start adding fonts to it: Tap the BytaFont tab. Tap Browse Fonts Find the font you want to install and tap Download Use Cydia to finish installing the font. After you've installed some fonts, you can switch between them to replace your iPhone's system font: Open BytaFont and select the Swap Mode tab. Tap the Basic option. Tap the font you want to use. Tap Yes to confirm. Your iPhone will restart and the font will be applied.
Jailbreak your iPhone Open Cydia on your jailbroken iPhone. Search for "BytaFont" in Cydia. Install the BytaFont app. Launch BytaFont. Add fonts to BytaFont. Switch the fonts your iPhone uses.