Motorola Droid :: Downgrade From 2.2 To 2.1
Aug 6, 2010
I have done a decent bit of Googling and searching in this forum for this answer. I was wondering if there was a way to downgrade from the manual update 2.2 back to the 2.1. I have been having such a hard time with my Wifi since I upgraded I just would like to be able to go back to a better working version. I tried putting the manual 2.1 update.zip in and doing that, but it just says "error in sdcard update.zip status 2" I couldn't find what status 2 means, but I imagine in layman's terms it means something like "You can't downgrade like that dummy!" So, I fear that I am just stuck until our update gets updated.
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Sep 4, 2010
I have a Motorola Droid 2 on Verizon. It is not rooted, just a basic phone with a few apps. I'm currently running Froyo 2.2 and I would like to get back to 2.1.1, or frankly any version other than 2.2. I got my phone last year in November and it was running version 2.0. Since then I have upgraded to 2.1 and 2.1.1. Around a month ago, the 2.2 update was pushed to my phone, and after reading great reviews about it, I was excited to upgrade. I allowed the update to my phone and since then I have experienced constant problems with it. Another "update" was pushed to my phone a week or so ago, but I checked the version after the update and it was still 2.2, so I'm not sure if it actually did anything, and I still have the same problems.
Since updating, my web browser freezes up regularly making it unable to use. Some of the applications I use frequently crash or freeze up (such as Pandora). The phone is much less responsive; I sometimes have to just put it down and wait for it to start responding to input again. When I try to select a text message to read, most of the time it enters a different thread than the one I selected. I'll then have to back out and try to select the text message I want to read again, and it always works the second time. The phone often misses calls; it doesn't ring or anything. I'll just get a voicemail, which is the only way I know I missed the call; no other notification or anything. It no longer plays WAV files. About half the time I try to load a YouTube video, or even launch the YouTube application, I receive a message that there is no internet connection, even though I'm using the web browser and I know I have an internet connection. Before upgrading, I almost never rebooted my phone, but now I have to rebooted multiple times a week because of the freezing and crashing of apps. Basically it has went from a smartphone, to just a phone. I am so frustrated. If I can't downgrade, I think I'm just going to have to get a different phone. I have found posts on how to downgrade other phones from 2.2 to 2.1, but I'm not sure if they work on the Motorola Droid 2, and I don't want to risk being completely without a phone, since I use it for work and personal use. The other guides I have found for the downgrade seem to specify they are for phones other than the Motorola Droid 2.
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Jun 11, 2010
I'm on NexFro v1.0 baseband C_01.43.01P (2nd froyo baseband leak) now and my signal is bad. Can I downgrade to C_01.41.01P (1st froyo baseband leak)? Everything was ok with C_01.41.01P. Or do I downgrade to the one before that? What should I do and how should I do whatever it is I need to do.
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Aug 23, 2010
the sbf file. I need to go back to 2.1.
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Sep 22, 2010
everyones about to wake up! DO NOT DOWNGRADE TO 2.1 SBF FROM THE 2.2 OTA, YOU WILL BE BRICKED! UNTILL WE GET A 2.2 SBF LEAK
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Apr 19, 2010
I just updated to the offical ota 2.1 update for the droid. Yes I like it and there's no problems, but I wanna downgrade back to the offical 2.0.1 so that I can root my phone and load the htc sense from the desire.
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May 16, 2010
Tired of losing your 3G on the new baseband? Dropping signals and calls all the time since the OTA update? Well here's the solution! The Baseband Downgrade to .01P!
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
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Oct 20, 2010
I downloaded rsdlite set up the drivers and flashed the 2.1 sbf, I was on the leaked 2.2. on Droid X it says to boot into recovery and wipe system and data, but if I try to go into recovery it just shows a triangle with a ! inside it. So I booted normally and its stuck at the red eye. help pleasee I really need my phone
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May 2, 2010
Can any version of the leak be downgraded? for example can version 3 be downgraded the same way as version 1 or 2? (do all three use the same bootloader?)
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Mar 26, 2010
I was wondering if any of you have tried to downgrade from the newest 2.1 one leak that came out march 24 or 25. Also if putting a leaked software on the eris voids the warranty?
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Jun 25, 2010
I have been Googling/Youtubing/ everything to try and find a way to downgrade to version 1.5 so i can root my droid eris. I just found that they only way to downgrade is to have a rooted phone? so in order for me to root my phone...i need to have an already rooted phone?! my question is, is there a way to downgrade from 2.1 to 1.5? or is there seriously not a way?
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Jun 3, 2010
I received the 2.1 OTA and ran the update. My phone is much more sluggish and I would like to revert back to the 1.5 software. Is this possible???
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May 18, 2010
I found this on Android Central (thanks to IzelTokatl) and someone there did verify it worked for OTA 2.1 phones. I tried it on my leak version 3 phone and I got the Hboot error again. I'm thinking this does not bode well for phones with the leak as once Verizon releases the upgrade for download from PCD or HTC we still won't be able to use it until the Hboot problem is fixed. The following instructions for doing the downgrade to 1.5 are cut and pasted from the Android Central forum and I edited them for PC's: Download the MR2 Upgrade Eris ROM from verizon partner: personal Communications Devices
1. Unzip the file
2. Plug your phone into your PC.
3. Navigate to folder ADR6200_MR2_Upgrade
4. Run .exe file in the folder (RUU_Desire_C_Verizon_WWE_1.17.605.1_release_signe d_with_driver.exe)
5. follow on screen instructions.
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Jun 12, 2010
Got Root? EVO 4G Rooting Instructions Released | Android News, Reviews, Applications, Games, Phones, Devices, Tips, Hacks, Videos, Podcasts - Android Police
[TUTORIAL] How To Root The HTC EVO ~ Part-1 / - xda-developers
and on another android forum. every thread is huge with a TON of people having problems and answers scattered everywhere. Is there one place with an updated guide for windows and mac or just mac that officially roots so I can install custom ROMs? What about downgrading? I've been bouncing all around to different forums and guides and none are clear. The XDA thead by toast also says his root doesn't allow custom ROMs but I've seen custom ROMs mentioning toast?
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Nov 27, 2010
Found 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.
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Sep 11, 2010
I 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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Aug 31, 2010
So i got to the step on XDAweb's guide to root 2.2 where: cd /data/local./flash_image misc /sdcard/mtd-eng.img then reboot the phone. it went through flawlessly and it rebooted. now, i have no video on the screen, its all black. i pulled the battery, i tried to abd to it, but it said device not found. i can hear the startup chime, feel the hauptic force feedback, so i know the phone itself is working, but for some reason the screen crapped out! I use this phone for work as an IT professional and im kinda up a creek.
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Sep 20, 2010
How do I downgrade Lg eve to a lower version? I want to follow this guide: Installation | OpenEtna but it says i need to downgrade.
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Sep 24, 2010
My data roaming isn't working i can make calls and stuff but not internet, i heard a prl update did this so can anyone show me how to downgrade prl? and anyone confirm a prl that works with data roaming?
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Jul 3, 2010
I want to root my phone, stupid update. Any possible way I can downgrade to the previous update?
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Nov 8, 2010
i am not crazy for doing this. I am having problems with my 2.2 as i didnt update it via kies. I need to downgrade to 2.1 now so i can re upgrade. How can i do this?
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Jun 7, 2010
I have a n HTC hero and I am trying to root it, but nothing is working. I am on 2.1 currently, when I get to this code in the guide /data/local/asroot2 /system/bin/sh
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Sep 28, 2010
Is it possible to do this yet? I really want to try the new Desire HD Rom and with the current software i dont think im able to root, therefore i would need to downgrade my HBOOT??
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May 3, 2010
When I try to place the recovery.img in the /tools folder, it tells me that there is already a file named 'recovery.img'. Should I go ahead and have it replaced by this new one?
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May 27, 2010
I followed all of these instructions to downgrade my wife's rooted 2.1 and it seems to have worked fine. I've got it back to 1.5. She wanted the OTA upgrade because the 2.1 rooted version was giving her the silent call issue. Again, I went back to 1.5 because I wanted the OTA update. After doing this, she got the OTA update notification, it downloaded, processed and then failed. I've also tried to install the OTA manually and it won't work. The hboot is version 1.47. Has anybody had success downgrading their 2.1 rooted install to 1.5 and then getting the OTA update to work? I'm back at 1.5. What should I do next to get the OTA update working?
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Aug 9, 2010
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?
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Sep 20, 2010
There 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
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Aug 7, 2010
Given the number of little bugs and issues being reported with 2.2, I'm actually a bit wary of installing it on my phone.
I have an Orange phone which I debraded by flashing the generic ROM. I was wondering - if I install 2.2 and then don't like it, can I revert back by re-flashing the original generic ROM again or won't the installer let me "downgrade" like this?
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Sep 7, 2010
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.
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Feb 3, 2013
I rooted my device (Galaxy Nexus GSM / Maguro) weeks ago and switched from the stock OS to Cyanogenmod 10.
Some days ago I received the (so called "stable") update to 10.1 and installed it (gapps 121212 too).
Unfortunately, the stable 10.1 turned out to be rather unstable: Apps (Google Play Music, Skype, Youtube, SMS, ...) either crashed on device startup or as soon as the app was started.
SMS frequently froze the whole phone. The former rather fast and stable device became an unstable and failure-prone device
Installing diverse nightly builds didn't improve the situation, so I decidet to roll back to 10.0.
Again, a bad decision! After installing it, CM won't boot any more. I can see the boot-image (the circle of death, as I call it by now) and that's it!
I tried to reboot in recovery mode, but I cannot switch options with the volume keys. The only option I have is to boot into the broken system...
Below the android icon it reads: Downloading.. Do not turn off target!
Nexus Root Toolkit does'nt recognize it (neither as fastboot nor as adb device).
My computer system ist Windows XP SP 3.
BTW: I don't know if this Information is relevant: The Android-Icon in recovery mode is not a lying one with its belly open but the standard 2D-Android-icon. And, perhaps more grave: Due to security concerns, ADB was disabled in my (then working) Cyanogenmod-OS...
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