iPhoneOS 2.1 (5F136) for iPhone 2G

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Upload DateSeptember 5, 2008
FilenameiPhone1,1_2.1_5F136_Restore.ipsw
Filesize231 MiB
SHA256sume8fede3b44e2c027c9a1da9109a4dce47ed29ee6f54c780785b3a257fd11db0f
MD5sumaeb8156f12dc72b355bd97d519115073
SHA1sum353b7745767b85932e14e262e69463620939bdf7
IdentifieriPhone1,1

iPhoneOS 2.1 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iPhone 2.1 Software Update

iPhone version 2.1 contains many bug fixes and improvements, including the following:

•    decrease in call set-up failures and call drops

•    significantly improved battery life for most users

•    dramatically reduced time to backup to iTunes

•    improved email reliability, notably fetching email from POP and Exchange accounts

•    faster installation of 3rd party applications

•    fixed bugs causing hangs and crashes if you have lots of 3rd party applications

•    improved performance in text messaging

•    faster loading and searching of contacts

•    improved accuracy of the 3G signal strength display

•    repeat alert up to two additional times for incoming text messages

•    option to wipe data after ten failed passcode attempts

•    Genius playlist creation

For feature descriptions and complete instructions, see the user guide for your iPhone at:

http://www.apple.com/support/manuals/iphone

For more information about iPhone, go to:

http://www.apple.com/iphone

To troubleshoot your iPhone, or to view additional support information go to:

http://www.apple.com/support/iphone

For information on the security content of this update, please visit this website:   

http://support.apple.com/kb/HT1222

Bluesky Mastodon r/jailbreak Twitter