
If you have your own personal ROMs then you can easily upload it to the emulator. Click on the emulator under the ENTERPRISE APP. If you are still not able to access the GBA emulator then head over to Settings > General > Profile & Device Management. It is one of the ways to make sure that the emulator works perfectly. If it does so then you need to change the date and time settings to Automatic. Open the emulator again and it will start working. Set the date to anything before 19th Feb 2014. For this go to Settings > General > Date & Time.

In case the emulator is not working at all you need to change the date. 1.6, please do not install it as it is for the devices that are running iOS 5.0 or older version. Click on Continue to open up the application. After Pokemon emulator GBA4iOS installed on your iPhone, click the app and you will be prompted with the pop on that whether or not you want to access the application. Click it and a window will prompt, then tap Install. How to Install GBA4iOS emulator on Your iPhone?

GBA4iOS allows you to emulate and enjoy not just GBA, but GBC and GB games.You do not need to jailbreak your iPhone.

Here are some coolest features that make GBAiOS the best emulator: There are many emulators in the markets, but definitely, the GBA4iOS emulator is the best one.
