why games are crashing on iphone 6?

jushly Said:

"why games are crashing on iphone 6?"

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What to Do:

System resources may be being used. So, either restore from a backup, or clear unneeded space.

I. Restore from a Backup:

Have a backup of your iPhone prior to all of this? If you are not concerned with losing data, then restore your iPhone from a backup that was made when this was not occurring. Prior this restoration itself, backup your iPhone, incase anything goes wrong with the restoration from here. If no backup exists, then take this as a learning experience knowing to always have a backup created prior to installing an update, to avoid things like this in the future.

II. Try Clearing Space:

Many system resources may be being used by unnecessary items. So, consider performing the following...

A. Clean TV and Music Libraries:

Remove all unneeded files from your TV and Music Libraries. Full-Movies take up 2-4GB typically, and a bunch of those would take up a load of storage, ideally. So, if you have any movies that are not needed, then delete them.

Also..

B. Clear Temporary Internet Files:

Clear your Temporary Internet Files(Cookies & Cache) of Safari:

• Cookies perform remembrance of certain site-entered data.
• Cache keeps a snapshot of the last time you visited a site.
• Go Here: Clear the History and Cookies from Safari on your iPhone, iPad, or iPod Touch - Apple Support

Also..

C. Clear "Other":

Clear the storages named "Other". It basically contains unnecessary files such as caches that are used for system ease of use - all of which gather over time: How to Clear "Other" in your iPhone's Storage - Use Backup - User Tips