iOS4 on the 3G Review

by brett on July 21, 2010

in iOS4,iPhone Versions,Reviews

I am now about a month in running iOS4 on the iPhone 3G and it is slowly driving me crazy! If anyone knows how to revert back to 3.1.3 please let me know!

Sure there are things I love about iOS4… the camera zoom, unified Inbox, the SMS character count but at this point I’d give them up for the speed I use to have.

Tapping SMS takes an age for messages to present themselves, and then even longer to create a new message, apps run very slow. E-mails take forever to come up, and on occasions even though a preview of an e-mail can be viewed, to go into the e-mail presents no content. Only a complete reboot will fix this.

The calendar is sluggish to switch between views and at times appears to hang.

I have been looking daily for new updates that I hope will improve the performance, but nada! 4.0.1 has made no difference.

Now that Apple have dealt with the iPhone 4 reception issues, I hope they deal quickly with iOS4 on the 3G. There was plenty of life in it before iOS4 crippled it.

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{ 4 comments… read them below or add one }

microdash July 21, 2010 at 8:32 pm

Try doing a cold restart of the iphone. Hold down the home key and the off key for about 8 seconds, then turn it back on again.

IbrahamI July 21, 2010 at 8:35 pm

do a google for ios4 downgrade

popx July 21, 2010 at 8:40 pm


I have been experiencing the same issues after upgrading to ios4 on my iphone 3G. My phone was slow and the battery life didn’t last a day. I found a solution.
First you don’t want to roll back to 3.1.3 cause from now on, all the app will be made for iso4.

I erased all the content of my iphone 3G (16Go) through the settings menu on the phone itself. it took me almost 1.5 hours to complete and then i did a clean install of ios4 with itune.
I reinstall all my apps and sync calendar, emails and contact..

I disabled the push notification and also i am using their new file system that allow you to categorize your app into files.

I have been using it for a week my phone is as fast as it could be before and my battery life is now back to “normal” (it lasts 2 days).

I hope it will help.


brett July 21, 2010 at 8:46 pm

Many thanks for that popx. I will certainly give it a go as there is functionality I really like in iOS4!

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