I have the 2.2 firmware from this site and was wondering if i could go back to the firmware my phone came with. Don't know what rooting is or anything. Can i just delete the update.zip on my sd and turn my phone off?
Manually Update DROID Incredible to Android 2.2 | Droid Life: A Droid Community Blog
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Heres how to downgrade from stock 2.2(includes ota and update.zip)
note- when i did this my phone was not rooted
follow this post
[GUIDE] How to downgrade from OTA RUU 2.2 to 2.1 - xda-developers
go to comments page 2 and scroll for the downloads(download all)
follow instructions( i don't know where but search internet for unrevoked.zip and put in the root of the tools folder
done! and on 2.1.
seems like anything using 3g drains my battery. slacker player saps 30% of a 2600mah battery in a single hour. If I were to be conservative, it would be 25% of a 2200mah, accounting for other parts of the phone and possibly a low quality battery. Even then, that's horrible. It didn't used to be this bad. And now I suspect it's a combination of a new radio update that boosts signal by consuming more power, and the fact that 3g coverage is weak where I'm at (though it worked good enough before the update). So if there's any way to downgrade radio without losing froyo or other phone functionality, or directly influence power consumption of the 3g radio, please let me know.
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1) rename to update.zip
2) place on root of sdcard
3) reboot into SPR
4) choose Install
5) Allow installation from update.zip
6) Install
7) Re-Activate by dialing *228, option 1
Finally couldn't take it any longer and installed the RUU then hours later I hear that the Official update.zip is slightly different with a change to gmail (and frankly, at this point, who knows what else.) Also I am seeing "make sure you have the correct "baseband"(?) So for me and I would imagine a few others. Can someone make this a nice clean and complete how to get from RUU to update.zip thread? I have seen a lot of bits and pieces of what it takes.
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View 2 Replies View RelatedFound this at xda-developers - View Single Post - [ROOT] unrEVOked 3.21: one-click root for Froyo, no downgrading Worked perfectly for me! I have s-on and now I am back to 2.2 with root.
View 2 Replies View RelatedI saw a similar thread, but didn't see the answer I was looking for. I did the OTA upgrade to 2.2 last week. Having some problems, so I thought I might roll it back to 2.1. Is doing the factory reset the same as downgrading to 2.1? OR is there some other way to downgrade? If so, could somebody provide step by step instructions?
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I rooted my Incredible, and now I have it running the Froyo leak. Unfortunately, I didn't install radio 2.x before doing this, so my camcorder doesn't function properly. Is there a way to downgrade from Froyo to 2.1, install radio 2.x, then reinstall Froyo?
View 5 Replies View RelatedThere have already been several requests for information on how to downgrade back to the official 2.2. The following process will remove root. Whether you need to return a phone or you just want to clean the slate and go back to stock, here is how to get there:
Note: Your SD card MUST be formatted to FAT32 before proceeding. The file will not be recognized otherwise. If you have yet to format, remember that formatting wipes the card. Be sure to copy/move your SD contents to a safe place (PC desktop) and replace after the formatting process. I will not go into the procedure in this thread as it is easily found with a Google search.
1.) Need to return a phone and currently have S-Off? (aka Unrevoked Forever) If so, please visit public:forever [RootWiki] where you can download the latest S-On tool and the process to load to your phone. If you want to keep S-Off and just return to the official 2.2, skip to step 2.
2.) Download the 2.2 PB31IMG.zip (extracted from the official 2.2 RUU)
Mirror 1 (Credit and thanks to Doug Piston for hosting)
Mirror 2
Note the file size (172 MB) and the MD5 (31BB1611A0FA8197D447C0438426717E) to ensure a successful download and file integrity. If you have questions about how to verify MD5, please see post #2 of this thread.
3.) Attach phone to PC with USB debugging on and in disk drive mode.
4.) Access the SD storage and drag the PB31IMG.zip from the desktop onto the root of the SD card (any open area, do not place into a folder).
5.) Swipe down notification bar on phone and change to charge only.
6.) Unplug phone from PC and turn off phone.
7.) Hold volume down while pressing power button to enter hboot.
8.) PB31IMG.zip should be automatically recognized in hboot. Press volume up to continue with update. Do NOT interrupt.
9.) When finished, reboot to stock 2.2 and verify the following information at Menu > Settings > About Phone:
Android Version: 2.2
Baseband Version: 2.15.00.07.28
Software Number: 3.26.605.1
10.) Remove the PB31IMG.zip from the SD card to avoid an inadvertant reload in the future. You are now unrooted and on stock 2.2
Also adding the RUU option for those that are interested. Thanks again to Doug for the upload/host. For those new to RUU, download to a PC and run from there:
http://dougpiston.com/files/RUU/RUU_Incredible_C_Froyo_VERIZON_WWE_3.26.605.1_Radi o_2.15.00.07.28_2k4k_NV_1.70_PRL58006_release_1520 16_signed.exe
I am rooted and running Fresh. I need to exchange my phone because the mini usb slot on the phone is cracking off. If I do the official 2.1 update will it take me back to stock? I'm sure this is a repeat but I looked for an hour for the answer with no such luck.
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Is it possible, the video how to i seen is with windows i really want to try skyraider but i want to be able to go back to stock radio for ota if need be.
View 6 Replies View RelatedI tired installing the 2.2 update, but as many of us have seen problems have been occuring. I updated my sisters radio to the version that changed the start up screen. I didn't root the phone or apply any other update except for that one. Obviously I need to downgrade what I did to the stock. I downloaded SDK and will attempt to follow this:
Quote:
I had 2.1 rooted with S-OFF
I wasn't able to update to 2.2 via OTA so I found an update.zip
I attempted to load the update.zip but it failed
Using [VIDEO] HowTo UnRoot Incredible by downgrading I downgraded to stock 2.1 but for some stupid reason I also disabled unrevoked forever and went to S-ON
I then applied the May OTA update Getting your phone ready for the FroYo update.zip!
Following that I applied the 2.2 update.zip
Here are the versions I'm on:
HBOOT-0.92.0000
RADIO-2.15.00.07.28
Now I'm trying to apply unrevoked3 and it fails
I found 2.1 stock to 2.2 rooted (with links to files)
I tried to downgrade to stock again and I now get this error:
Main Version is older!
Update Fail!
Do you want to reboot the device?
From what I understand I'm unable to downgrade to stock due to having an updated HBOOT
I've found instructions on how to downgrade HBOOT How to revert back to an earlier version of HBOOT but it seems I need clockworkmod to do that
So my question is. Is there a way I can proceed from here or am I stuck waiting for an official root for 2.2?