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Apple investigating iOS 4 problems on iPhone 3G

updated 06:50 pm EDT, Wed July 28, 2010

iOS said to be unusable on the iPhone 3G

Apple has begun investigating reports of problems running iOS 4 on the iPhone 3G. An Apple spokesperson told the Wall Street Journal that the company is aware of the complaints and is currently looking into the situation.

Many users have reported problems with excessive battery drain, heat, and overall performance. Although the new OS was expected to run a bit slower on the older hardware, even with multitasking disabled, some users claim iOS 4 effectively makes the iPhone 3G unusable in certain situations.

Apple has yet to provide a solution for the problems or advise against the upgrade for older iPhones.

by MacNN Staff



  1. buffman

    Joined: Dec 1969


    iOS4 and 3G

    slow???? Doesn't even begin to describe it. It runs hot, hard and crawls. Constantly crashes. Good thing kids are now using it as a suped up iPod Touch, or like any good brick, it would take flight. just like my old Treo.

  1. gskibum3

    Joined: Dec 1969


    iOS4 and 3G

    Same here.

    Battery drain is extreme. Bluetooth connection to my Toyota Venza is unreliable. Voice Dial doesn't work anymore.

    And I have to reboot it frequently to get a decent signal. Without these reboots, phone calls will often go straight to voice mail.

    And oh, when a call comes in while I'm listening to a voice mail, it goes direct to voice mail.

    And that's all I can think of at the moment.

  1. gbrandt

    Joined: Dec 1969


    about time

    veeerrryy sllloooowwww. Calendar is unusable for first 30 seconds. Reboots on its own. Can't reply to text msg notification. It aborts and I have to enter the program to respond to sms. Hitting "search" on the map gives me 60 second wait until able to enter destination. Sometimes requires 2 or 3 attempts to launch an app....I could go on.

    I've tried all the tricks in the forums except a complete wipe to factory and massive re-sync. Largely because I'll lose my text history. But I'm frustrated enough to try it.

    Worst Apple upgrade on any device in 15 years.


  1. nat

    Joined: Dec 1969



    to 3.1.3
    i'm happy again.

  1. revco

    Joined: Dec 1969


    i need to downgrade my touch

    Apple needs to provide an easy way for iOS4 users to revert to 3.1.3. My touch behaves erratically with iOS4.

  1. ilovestevejobs

    Joined: Dec 1969


    Apple fucked up again

    Seriously this really is inexcusable from Apple. Do Apple really test their stuff to make sure it 'Just Works'?

    Doubt it

  1. Fast iBook

    Joined: Dec 1969


    Grain of salt.

    I have a 3G that i gave my brothers to use as a shared gaming/web/email device, it has 4.0.0 on it, and since 4.0.1 is aimed at the antenna for cell use, it has no effect on the overall ios4 performance (it sits in airplane mode with wifi on).

    I am going to wager that a full 4.1 update will take care of the code responsible for the poor performance on the much slower cpu in the 3G. iOS4 rockets to the moon on my iPhone 4, so i can only guess that it's cpu related.

    For now i'll take the slowness with a grain of salt, but if it continues without resolution past 4.2 i will go back to version 3 for it.

    - A

  1. wrenchy

    Joined: Dec 1969



    Apple acknowledging that there is an "issue". That's impressive.

  1. ClevelandAdv

    Joined: Dec 1969


    Headphones do not work

    After the update on my 32GB 3GS, the headphone jack will
    not function. This is similar to my original iPhone 8GB which would not
    switch from headphone to speaker mode when a headphone was disconnected.

    Now it will not switch when a headphone is plugged in.

  1. FilmCrafter

    Joined: Dec 1969


    This effectively kills my confidence in Apple

    I've been a fan of Apple and Final Cut Pro since the early 90's when I started using it. For me the core of their brand was always about respecting and servicing the customer. Making things easier. The unfortunate part of the success of the iPhone is that this seems to have changed. What I see now are:

    1.) 'holier-than-thou' attitudes of the kids working in the apple stores - once eager to help, share, teach and support are now to busy or important to help me.
    2.) Basic technology that has fallen behind (no blue ray players in laptops, slower processors, less RAM, etc) but prices are still sky high.
    3.) Unreliable management of back end software issues. Constant bugs with Quicktime & other updates.
    4.) And now what seems to be a deliberate effort at making all those once valued iPhone 3G & 3Gs phones instantly obsolete. An outright abuse of the customer.
    Sorry Apple... Very dissapointing. I'm going back to Sony Ericsson, HP, Dell, Windows, Adobe Software, HTC and all those other brands out there who actually value and appreciate their customers.

    I simply can't afford for something I rely on like a phone to suddenly become useless. It's pathetic.

    It's over for me with Apple... The trust has been broken.

    Does anyone out there feel the same way?

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