Photo stream not updating
This is also the main cause for the i Phone won't update the problem.
For the people who have just updated i OS to the latest one (i OS 13/12 for now), the remaining stores will be less.
All you need to do is go to "Settings", tap on "Wi-Fi" and turn on the switch next to it. To connect to Cellular Data services, make sure you have an active data plan.
In case a Wi-Fi network is not available, you can turn on the "Cellular Data" in "Settings" on your i Phone.
Not only does it solve the i Phone Apps not updating problem but also offers an array of other efficient features. Launch the i My Fone i OS System Recovery software and click on "Standard Mode" which can fix the problem that the i Phone app won't update without data loss. In this step, use a USB cable to connect your device to the PC. You will be prompted to download a firmware package for your device and all you need to do is click "Download". Now, once you download the firmware, click "Start to Fix" and then i My Fone i OS System Recovery will start its task to make your i Phone work normally.
Then follow the instructions to put your device into DFU mode or Recovery mode. It is extremely easy to fix the i Phone app won't update the problem using i My Fone i OS System Recovery (compatible with i OS 13/12), isn't it?
Reset network settings Resetting network settings wipe off all network settings saved previously on the i Phone and you will have to connect to a Wi-Fi network all over again. Just switch off your Wi-Fi router for a few minutes, then turn it back on and try downloading the update again.
i Cloud Photo Library is part of i Cloud, Apple's storage and sync service.
I tried again after a few minutes only to find out that my i Phone apps were not updating. Some of them meet this problem after updating their i Phone to i OS 13/12. It is rather a strange problem but can be overcome with simple tips and tricks. Since Apps and their updates can be downloaded over Wi-Fi and Cellular Data, you need to be very sure that your i Phone is connected to the internet network, or the i Phone apps won't update even you are using i OS 13/12.
A Wi-Fi network is preferred over Cellular data plan because the updates can be downloaded and installed quickly over Wi-Fi.
Now start the App Store again and try to update the desired App.
The methods listed above can solve the i Phone Apps not updating the problem 99% of the time.
Just go to "Settings" "Storage and i Cloud Usage", then you can check the Storage available.