OS4 on 3GS

quad_red

Anyone else find performance flaky?

Upgraded from a 3G in the last few months and was relieved at the huge boost in speed and stability that the 3GS offered.

But OS4 has changed this. At the start of the day, when the phone is just turned on, it's quite zippy.

But as the day goes on performance takes a clobbering. First thing in the morning the camera app is ready in approx 3 seconds.

At the end of the day last night, it was well over 12 seconds before it was ready.

Is there a way to downgrade?

Improbable

Take a look here:

http://www.funkyspacemonkey.com/downgrade-iphone-os-40-313-mac-windows

Stuxnet

quad_red wrote: »

Is there a way to downgrade?

only if you previously jailbroke your device and saved it's blobs

quad_red

Crap.

This was never jailbroken.

Does anyone else notice this performance drop on OS4?

Improbable

quad_red wrote: »

Crap.

This was never jailbroken.

Does anyone else notice this performance drop on OS4?

The method shown in my link can be applied to non jailbroken iphones. And yes, I noticed the performance drop as well.

faceman

the performance drop on 3G is worse again.

whiterebel

faceman wrote: »

the performance drop on 3G is worse again.

I had jailbroken my 3G on iOS4, and found the performance appalling. I did a brand new retore on iOS4 as a new phone and its like a new phone. Zips along now, and battery life is way, way better. I do miss SBSettings etc, but I'll take the performance over the extras.

Improbable

When I upgraded my 3G to iOS4, the performance was dreadful. Did a complete restore, didnt keep anything. The performance now is still just as bad.

faceman

whiterebel wrote: »

I had jailbroken my 3G on iOS4, and found the performance appalling. I did a brand new retore on iOS4 as a new phone and its like a new phone. Zips along now, and battery life is way, way better. I do miss SBSettings etc, but I'll take the performance over the extras.

My 3G isnt jailbroken tho.

whiterebel

faceman wrote: »

My 3G isnt jailbroken tho.

Did you restore from a backup? That seems to affect them badly too.

grolschmore

quad_red wrote: »

Anyone else find performance flaky?

Upgraded from a 3G in the last few months and was relieved at the huge boost in speed and stability that the 3GS offered.

But OS4 has changed this. At the start of the day, when the phone is just turned on, it's quite zippy.

But as the day goes on performance takes a clobbering. First thing in the morning the camera app is ready in approx 3 seconds.

At the end of the day last night, it was well over 12 seconds before it was ready.

Is there a way to downgrade?

are you closing your apps? as in by double clicking the home button?

Sad Professor

My 3GS performance has been fine. Battery life, on the other hand, has gone to the dogs. I like multitasking, but it would be nice if there was an option to switch it off or select which apps can use it.

bluemachaveli

Same with my other halfs 3G. Upgraded to 4.0, went back to 3.1.3 not lobg after.

Don't know why they bothered releasing 4.0 on the 3G!

faceman

whiterebel wrote: »

Did you restore from a backup? That seems to affect them badly too.

Yep. Had no choice!

Kashkai

Glad I saw this thread.

I upgraded my 3G 2 weeks ago and the performance is appalling since. It keeps freezing or at best slowing right down. Sometimes when I get a call, I go to slide the slider thingy across the bottom but it refuses to budge and so I miss the call.

I used to be very, very happy with my iPhone but its starting to get on my nerves now.

Is there anyway to revert to the previous OS without messing up the phone? Btw it has never been jailbroken, not that I know what that means .

CONSPIRACY THEORY - has Apple done this on purpose to make us upgrade to the new model?:D

captain_boycott

have just upgraded a 3GS - works fine - can't notice any slowness at all

NothingMan

Same here. Use to have my 3G jailbroken but restored to move to 4.0 and hopefully get some speed back. Worked excellent when unjailbroken to 3.1.3 but as soon as I went to 4.0 it's slow. Not crazy slow but scrolling is a stoppy jump to it instead of a smooth roll.

Reckon i'll downgrade soon using Improbable's link.

120_Minutes

Sad Professor wrote: »

My 3GS performance has been fine. Battery life, on the other hand, has gone to the dogs. I like multitasking, but it would be nice if there was an option to switch it off or select which apps can use it.

same here, but i dont think its multitasking. afaik, they've changed the wifi on iOS4 so that it remains on when the phone is on standby, so i've taken to only use the wifi when i need it and switch it off after, which is a pain. before this i didnt need to worry about it.

quad_red

grolschmore wrote: »

are you closing your apps? as in by double clicking the home button?

Er, didn't realise you could do that.

Just did it there and will see what effect it has.

Sad Professor

120_Minutes wrote: »

same here, but i dont think its multitasking. afaik, they've changed the wifi on iOS4 so that it remains on when the phone is on standby, so i've taken to only use the wifi when i need it and switch it off after, which is a pain. before this i didnt need to worry about it.

Ah, yeah, that's probably it alright. I was just thinking that last night. Hopefully the next update will give the option to sleep wifi.

Stuxnet

faceman wrote: »

Yep. Had no choice!

you did, you could of selected "new phone"....then re-sync your data etc..thats the mistake most are making, after the update, they are restoring their data from back up,
something is wrong here and fooking up phones, you need to pick "new phone" then you can manually re-add all your stuff

still sucks for me and im gone back to my jb 3.1.3

keith_d99

No problems with battery for me!!

I have had the sluggish performance once or twice - killing all the apps sorted it for me.

There is an app in iTunes called iStat - if people are wondering what memory is being used by individual processes.

quad_red wrote: »

Er, didn't realise you could do that.

Just did it there and will see what effect it has.

irish1967

Having the same problems on my 3G 8gb with 4.0. Exactly as above was running jailbroken 3.1.2 but unjailbroke to upgrade to 4.0
Sometimes slider not working. Unresponive screen on safari at times.
My photo album is totally messed up - thumbnails fine but can't view 80 of the pics.
Battery life totally woeful.
Shouldn't I have the time showing on my top menu bar ? My name is there from the jailbroken days still.
Typing this right now I can't see text at all since I started this sentence until I reach next line.
Upgraded because I am going to sell it on before buying a 4. If I sell it like it is now the person will think I sold them a faulty phone.

Oh and can anyone tell me when I want to buy an app or even download a free one from the iTunes store I have no download button showing on my iTunes since the upgrade

Xavi6

My apps have been acting the bollox since I got the upgrade on my 3GS. RTE bombs out on the homepage and Facebook crashes when trying to load the latest updates.

Didn't have any issues before. Anything I can do?

whiterebel

Xavi6 wrote: »

My apps have been acting the bollox since I got the upgrade on my 3GS. RTE bombs out on the homepage and Facebook crashes when trying to load the latest updates.

Didn't have any issues before. Anything I can do?

Both of thos ehave been updated for iOS4. Have you downloaded the latest? If you have the only thing I could suggest is to restore as a new phone and reinstall them.

Aquos76

I have 3gs 16gb, currently running JB 3.13 and was contemplating upgrading to IOS4, but after reading through this thread, I think I will stay as I am "if its not broken dont fix it"

beardo81

After reading this is there actually any benefit to OS4 on a 3G/3GS?

richieg

My 8GB 3G constantly crashes. It takes up to a minute to open the ipod app and crashes most times as do other apps. Driving me nuts

Typing text messages it hangs all the time and you don't know what you're typing

I hope an update comes out very soon