Rolling back OS

[CaptainMorgan628]

Hello, and first off I apologize if this has been talked about. There is so much information and this is my first time digging into Android that I searched but am struggling to find the answers.

My issue is fairly simple. My phone is a business phone, but my boss will allow me to do whatever I need to do in order to solve my problem. Our credit card merchant is dropping the ball here and I'm trying to find a work around. I just go the phone a few weeks ago and its running 2.3.3 which the merchant's software can't make connections on. With 2.2 apparently it all was working just fine.

I know this isn't a permanent solution and the merchant needs to fix their software, but we need to be doing business with the mobile charging now. I don't need to root or anything like that, but am willing and computer savvy enough to figure it out if necessary. All I want is to roll my EVO 4G back to 2.2 so I can use it for why the company bought it (sprint already told me they can't do it, and I tried the corporate repair center).

Thanks guys.

 

[bzxzlg]

This might work for you ...

Supersonic Shipped ROMs 9/8/2011 - xda-developers

Cheers

 

[CaptainMorgan628]

This might work for you ...

Supersonic Shipped ROMs 9/8/2011 - xda-developers

Cheers

That looks promising, but I do still have one issue.

All the software build numbers don't have anything to do with the Android OS numbers. I understand the difference, but being a newbie at this I don't know how to correlate the two and haven't found a good list.

From reading it sounds like what I really need is just any version that works of Froyo instead of Gingerbread, but I'm not positive on that.

 

[AlphaTango414]

That looks promising, but I do still have one issue.

All the software build numbers don't have anything to do with the Android OS numbers. I understand the difference, but being a newbie at this I don't know how to correlate the two and haven't found a good list.

From reading it sounds like what I really need is just any version that works of Froyo instead of Gingerbread, but I'm not positive on that.

Easy. Root the phone via revolutionary tool. Very easy process anyone that can read can do this. Check the stickies to find a guide and video on how to.

Find a stock 2.2 rom or a 2.2 based rom, flash to phone and your are golden.

DumpedDuce Approves This Message

 

[AlphaTango414]

Should I also mention you will not be able to go to 2.2 without rooting because the hboot is newer than 2.2s.

DumpedDuce Approves This Message

 

[CaptainMorgan628]

Easy. Root the phone via revolutionary tool. Very easy process anyone that can read can do this. Check the stickies to find a guide and video on how to.

Find a stock 2.2 rom or a 2.2 based rom, flash to phone and your are golden.

DumpedDuce Approves This Message

I had made it onto the revolutionary tool and was reading all the fine print about the process.

Thanks for the tip about the hboot and having to root to do this, I was pretty sure I was going to go with a rooted rom anyways.

This one looks interesting.
Install EViO Shift Rooted Android 2.2 FroYo ROM on HTC EVO 4G

Any other good options I should take a look at?

 

[Kekoh]

Personally, I like a ROM with as little as bloat as possible (included apps, sense, etc) so I go with vanilla ROMs. If you need froyo I would check out the older version of Cyanogen - CM6. It has ALOT of customization options that other ROMs don't.

If I were you, I would try out a few different ROMs to find out what suites you best. It's different for all of us.