Apple Releases iPhone Firmware 3.1.3

Apple has released firmware update 3.1.3 (7E18) for iPhone/iPod Touch.

This is a minor update to firmware 3.1.2, released on October 8 2009, and supports all iPod Touch versions (first, second, third generation) and all iPhone versions (2G, 3G, 3GS).

Firmware 3.1.3 addresses various bugs and issues with applications and also improves the accuracy of the reported battery level on the iPhone 3GS (battery icon/percentage indicator). Firmware 3.1.3 has also updated the modem firmware from 05.11.07 to 05.12.01.

Below are the updates in firmware 3.1.3:

This update for iPhone and iPod touch contains bug fixes and improvements, including the following:

• Improves accuracy of reported battery level on
iPhone 3GS
• Resolves issue where third-party apps would not
launch in some instances
• Fixes bug that may cause an app to crash when
using the Japanese Kana keyboard

Products compatible with this software update:
• iPhone (all models)
• iPod touch (all models)

Remember, if your iPhone/iPod Touch is jailbroken and/or unlocked, you should not immediately update to 3.1.3, as you may lose both your jailbreak and unlock.

For those who are not jailbroken, firmware 3.1.3 is available now in iTunes.

Note from the iPhone Dev Team:

If you care about your jailbreak and unlock, don’t update your device – 3G and 3G(S) owners should pay particular attention to this warning.

  • PwnageTool and redsn0w are not yet compatible with 3.1.3
  • There is no estimated release time for compatible tools (please don’t bug us about this).
  • Any information we have regarding this update will be posted here.

  • You can also follow us on twitter – @iphone_dev