about Upgrading Radio Rom? - 8525, TyTN, MDA Vario II, JasJam Software Upgradin

I am a newbie of my Dopod 838Pro (Hong Kong Traditional Chinese Version) with
Rom: 1.23.708.4
Radio: 1.06.00.10
Protocol: 32.37.7010.01H
(originally it was 32.34.7010.01W, it was upgraded by a exe patch provided by the Hong Kong Vendor)
SPL: 1.04
Since I am not very satisfactory to its data connection stability, I would like to have an upgrade to the Radio rom.
I have read some resources over the internet including the post in this forum. However, I am not familiar with modification of a PDA phone and I would like to maintain the warranty provided by the vendor, I would like to upgrade my phone in a safe way with least procedures.
All in all, I would like to ask the following questions to clarify my concept before the upgrade.
1. Is Radio Rom 1.27 a good choice, is it better than 1.06? is there any other version better than 1.27 in terms of network connection stability?
2. Is there any change to the OS (especially the language) when I upgrade the radio rom?
3. Do I need to uninstall the protocol update patch before the radio upgrade?
4. Is there any change to the SPL bootloader version if I use the extracted rom in this forum?
5. Do I need to do other upgrades to suit the radio rom upgrade?
6. Will I void the warranty if I upgrade the radio rom?
Thank you very much !!

1. Don't know about HK stability
2. No
3. No
4. No
5. No
6. Possibly, but they would never know unless you tell them.
You may want to do some reading in the wiki and the upgrading threads for some information about bootloaders. You may want to update your bootloader before doing any RUU updates.

Please look here and here about upgrading radio ROMs. Using Hard SPL is recommended to prevent bricking of the device. Advantages and issues connected with radios are discussed on their respective threads. Good luck flashing!

as you mentioned, may I know what is
"brick" and "Hard SPL"

Brick = dead phone (or at least dead radio)
HardSPL = customized bootloader

Bricking a device means to get it in unusable state (party or fully). More on this topic here and here. Hard SPL is custom bootloader made by Olipro with aim to prevent some kinds of bricking (in the first link you can see description of the brick types). Mrvanx has written a user friendly guide on upgrading, you can find it here. Safe flashing!

@KarhU: Sorry - I should have let you answer your own question. Heh

KarhU said:
Bricking a device means to get it in unusable state (party or fully). More on this topic here and here. Hard SPL is custom bootloader made by Olipro with aim to prevent some kinds of bricking (in the first link you can see description of the brick types). Mrvanx has written a user friendly guide on upgrading, you can find it here. Safe flashing!
Click to expand...
Click to collapse
thank you very much.

Concerning some of your other questions. Radio ROM can be downgraded if there is a need to do so. However some of the newer upgrades (starting with 32.66.7020.10H) have a newer HTC_boot bootloader (1,08) that can not be downgraded even if the radio itself can be downgraded. 1.27 is safe in that manner. If you decide to flash Olipro's bootloader you will have to downgrade it to your default bootloader before claiming any warranty repairs.
I started with 1.06 too and switched to 1.27 later - I noticed increased sensitivity of the GSM reception (five bars where I only got three before). Read what other said in its thread. Many people claim that it is the best radio ROM to date.
And one last thing - Radio ROMs only affect GSM/HSDPA/GPRS /UMTS reception NOT the Bluetooth or Wifi reception (Bluetooth and Wifi stacks are part of the OS, not the radio ROM).

KarhU said:
Concerning some of your other questions. Radio ROM can be downgraded if there is a need to do so. However some of the newer upgrades (starting with 32.66.7020.10H) have a newer HTC_boot bootloader (1,08) that can not be downgraded even if the radio itself can be downgraded. 1.27 is safe in that manner. If you decide to flash Olipro's bootloader you will have to downgrade it to your default bootloader before claiming any warranty repairs.
I started with 1.06 too and switched to 1.27 later - I noticed increased sensitivity of the GSM reception (five bars where I only got three before). Read what other said in its thread. Many people claim that it is the best radio ROM to date.
And one last thing - Radio ROMs only affect GSM/HSDPA/GPRS /UMTS reception NOT the Bluetooth or Wifi reception (Bluetooth and Wifi stacks are part of the OS, not the radio ROM).
Click to expand...
Click to collapse
some more questions,
1. regarding to some other posts in the forum, radio rom 1.27 seems to have a greater power drain, is it true?
2. I am using an UMTS network in HK (UMTS CSL 1010), I noticed that the reception of UMTS is not good enough that leaded to a frequent switching between EDGE and UMTS and sometimes dropped my calls. When I was using the EDGE network with Prophet, I didn't encounter any problem. Will upgrade help this problem?
3. regarding the threat you gave me before, when I flash the radio rom, whether the "correct" error message shows before flashing or after the flashing?

I'll probably go to hell for asking this here -- but out of curiousity:
I have htc tytn version (non branded). Which I have constant problems with signal where other phones work on the Cingular network. Even my old h6315 works better in these areas. I've gotten to the point of using a typical bar phone that I got for $10 when i'm in this area. Swapping the sim card each time.
This is getting old -- FAST. I upgraded to radio 1.38.00.10 which one of you fine fine masterminds posted (please forgive me -- the poster escapes me -- Shogunmark? included Olipro's bit in there too..). Helped a bit -- but not by much.
ANYWAYS -- question is, if I put the Cingular branded radio and/or ROM will my reception improve?

Related

Extracted radio ROM v1.21.31.10 from new jasjam ROM

Here's the extracted radio 1.21 from Imate JasJam's 1.31.305.2 ROM.
HERM_1.21.31.10_type2_radio.rar​
Remember:
- You need bootloader 1.04 to upgrade to a extracted radio ROM
- screen will show "Upgrade Radio Stack Please wait........."
- after finishing flashing radio (about 15 min) you will see an "Upgrade Error", but the radio ROM will be flashed anyway.
- no need to hard reset after upgrading the radio, only soft reset with stylus when upgrade ends.
- upgrade at your own risk, i take no responsibility for anything that happens to you, your Hermes, your marriage, etc.
For more information see the extracted radio wiki page.
Enjoy!
thanks machine for all
OK, I flashed this Radio ROM into my Hermes
Well, guys, I 've already flashed this Radio ROM into my Hermes.
The procedure itself worked as usual. Radio version before update was 1.20.31.10.
Device booted up after flashing successfully
At this moment I don't see any difference between 1.20 and 1.21 versions.
[HELP]
What is the better radio ROM for Tytn ???
I have the one with the 1.35 ROM
Radio rom : 1.18.0.10 !!! But I think we can find better !!!!!!!
tell me what do you think about this
bobstarina said:
Well, guys, I 've already flashed this Radio ROM into my Hermes.
The procedure itself worked as usual. Radio version before update was 1.20.31.10.
Device booted up after flashing successfully
At this moment I don't see any difference between 1.20 and 1.21 versions.
Click to expand...
Click to collapse
bobstarina: now you need to update your signature
Thx...upgraded succefull...after downgrade the Bootloader from 1.06 to 1.04..then able to upgrade.....
Didn't see anything special...hehe...
I have flashed Bootloader 1.01 MFG on my vodafone 1605, with this bootloader, i successed flash voda french rom, htc 1.35 rom and Dopod CHT rom, i flashed bootscreen too.
but i didn't find any method to flash a Radio rom, there isn't explication in Wiki neither in thread.
can you tell us pof, how to flash a radio rom with a Bootloader 1.01 MFG, please!
thanks at first
@googoo no way to do this directly with 1.01 MFG yet. Essentially, the process is this:
First flash a 1.04 bootloader using 1.01 MFG. Next, flash desired radio. Then flash back to 1.01 MFG.
detail on these steps are in the Wiki
@qooqoo: sorry I forgot to add it in wiki, i thought it was obvious, but you're the second person asking this, so I added it to the wiki now. Thanks sleuth.
thanks Sleuth255 and pof.
I think I made a mistake... I'm using SPL 1.09 and I didn't even realise... It says its upgrading radio stack!!! Whats gonna happen???
I've upgrade to this ROM to test it...
BTW: I ve updated the wiki with the Protocol Version installed with this radio: 32.53.7020.01H
Test?
Can anyone post his experiences with the new Radio ROM?
Well I am using 1.20 and sometimes the device freezes while receiving a call. I am not sure if this is Radio ROM related and I am not sure if I should now upgrade to 1.21 or downgrade to 1.16
TyTN is a German T-Mobile MDA Vario II, it came with a 1.03/1.06? Radio ROM.
Edit: Will try with 1.16 now - but a 1.21 stability report would be appreciated..
@Applestar:
My Jasjam which is a HT647... came factory installed with this new ROM which is now available at the imate website (www.imate.com):
ROM Version: 1.31.305.2
ROM Date: 8th September 2006
Radio Version: 1.21.31.10
Protocol Version: 32.53.7020.01H
Ext ROM Version: 1.31.305.104
Bootloader Version:1.06
The problems I faced with this original ROM was that the Radio would freeze abruptly without any apparent indication. The GSM signal showed full bars but I could not make a phone call. Similarly when someone tried to phone me he would get an indication that my mobile is switched off. Other than this the PDA would continue to function normally and therefore no warning that the Radio has stopped functioning till I needed to make a phone call. I could not establish a pattern when this occurred but it would definitely occur once or twice a day. The only way to restore my radio to working condition was to switch to flight mode and back or a soft reset.
I then downloaded the ROM which was available at the i-mate site (www.imate.com) at that time i.e. on 9th January 2007. The ROM that I downloaded was definitely older than the one which came preinstalled on my jasjam and is detailed below:
ROM Version: 1.20.305.3
ROM Date: 21st July 2006
Radio Version: 1.07.03.10
Protocol Version: 32.41.1010.02H
Ext ROM Version: 1.20.305.104
Bootloader Version:1.04
Ever since I have installed this ROM the problem of the Radio freezing is gone for ever and now I am absolutely satisfied with my investment.
Furthermore I have not experienced any adverse effect of the older ROM. The free RAM is the same for both ROMs, I do not see any difference in signal strength or battery life either.
I would be interested to know from members who have recently downloaded the the ROM if anyone has noticed the Radio freezing problem
Kind Regards
ok, thanks the operation is correct.
I've finished the testing of this 1.21.31.10 Radio ROM.
I used to use the 1.20.31.10 ROM and this is the comparation of this ROM with the new 1.21.31.10 ROM:
- Under GSM and UMTS the time to register in the network as the coverage is the same in both ROMs. I haven't noticed any difference while talking and receive voice calls.
- But THE PROBLEM is that the data calls are broken in this ROM. I used direct Modem connection with my work (we got two 56k Modem waiting for incoming calls). It connects without apparently problems with the modem (maybe it takes more time than the older ROM) but the data interchange is very sloooooooow and suddenly it stops! The data call isn't dropped but it doesn't interchange data after two or three minutes of slooooooow interchange. Finally, if you close the call and tries to reconnect it can't!!!! WM5 says that an unknown error happens and can't be connected!!!!
After a soft reset you can connect again but it remains very sloooooow...
Fortunately I've switched back to the old and stable 1.20.31.10 ROM and everything works normal now (thank God!).
So, my final advice:
DON'T USE THIS ROM!!! IT LACKS DATA CALLS BUT WHO KNOWS WHAT ELSE IS BROKEN!!!
My recommendation: 1.20.31.10 ROM.
Best regards.
I recommend: Radio 1.07.03.10
With this Radio I had very good signal strength. Better than Radio 1.18.00.10.
I think newer Radios aren't better to lower the SAR-Level.
I am having a very positive experience with this ROM. While I doubt there is any way to explain this, but after I installed it, I was able to use the Microsoft Voice Command through the BT headset and the hack that is provided in a different discussion group. Using 1.20, that hack did not work with my device. Otherwise, I see no difference.
One new feature provided by this radio ROM as compared to the one in the previous JASJAM WWE version:
Automatic date/time and time zone synchronization with your GSM operator.
There is a new properties tab in Phone properties where you can enable/disable this feature.
PAPPL said:
I recommend: Radio 1.07.03.10
With this Radio I had very good signal strength. Better than Radio 1.18.00.10.
I think newer Radios aren't better to lower the SAR-Level.
Click to expand...
Click to collapse
Do you know which radio ROM has the lowest SAR level?

Upgrade to fix weak radio...

I'm running ROM Version 1.18.255.3
Radio Version 1.03.03.10
with boot loader 1.06
I want to know if I can upgrade the Radio version to one of the newer ones. I have an HTC TyTN, unlocked, using Cingular Service. I'm just worried that if I upgrade the radio I won't get any access...any tips, or suggestions?
Yes I have read the Hermes upgrading guide, but it doesn't answer my questions.
I'd try re-reading it, and a few threads on here that have to deal with RADIO roms....
hZSoul said:
I'm running ROM Version 1.18.255.3
Radio Version 1.03.03.10
with boot loader 1.06
I want to know if I can upgrade the Radio version to one of the newer ones. I have an HTC TyTN, unlocked, using Cingular Service. I'm just worried that if I upgrade the radio I won't get any access...any tips, or suggestions?
Yes I have read the Hermes upgrading guide, but it doesn't answer my questions.
Click to expand...
Click to collapse
mate honestly if you read the guides and this http://forum.xda-developers.com/showthread.php?t=295751 you would have a basic idea. If you still cant understand it then read the wiki here http://wiki.xda-developers.com/
hZSoul said:
I'm running ROM Version 1.18.255.3
Radio Version 1.03.03.10
with boot loader 1.06
I want to know if I can upgrade the Radio version to one of the newer ones. I have an HTC TyTN, unlocked, using Cingular Service. I'm just worried that if I upgrade the radio I won't get any access...any tips, or suggestions?
Yes I have read the Hermes upgrading guide, but it doesn't answer my questions.
Click to expand...
Click to collapse
Hi sir, it would be better for you to thoroughly read the wiki and various threads on this. Having seen your ROM version etc... I would definatly recommend flashing a newer TyTN rom, the latest one available that is still in WM5 is the AKU3.3 ROM which has the newer radio rom in it aswell, you will possibly get better call reception etc.... also the ROM is a HELL of alot more stable than the one you are running now. Video playback in TCPMP/Coreplayer works with ATi Imageon turned on, and works flawlessly in rawframbuffer mode (so you can watch divx and things on your TyTN....worth it for the train)
Dont be too quick to flash it though....definatly read up on what you are doing before you go ahead. Any more questions (once you have read up ) come back here.
Alright, I was up pretty late last night reading the wiki. I'll continue to read today, and then I'll have some more questions. I've almost got it sorted, so...
Thanks alot guys for the help, as I was considering returning my TyTN, and going back to my older mobile.
hZSoul said:
Alright, I was up pretty late last night reading the wiki. I'll continue to read today, and then I'll have some more questions. I've almost got it sorted, so...
Thanks alot guys for the help, as I was considering returning my TyTN, and going back to my older mobile.
Click to expand...
Click to collapse
:O NO WAY!!!!! you havent even touched the realms of stuff you can do with it!
Ok so heres some questions to start off with.
After reading the wiki, I kind of took myself in a loop. At first I just wanted to upgrade the Radio. It told me to downgrade to 1.04, and then I would be able to load any radio version I wanted. So I went to the downgrade page, and it said I needed the CID Unlocker. I tried to download that, however the zip is a corrupt file. If anyone has it, and could send it to me, that would be appreciated.
Now my next question is...do I need to use the CID Unlocker to be able to upgrade the ROM? Or can I just download AKU 3.3, install it, and it will flash the ROM without any problems.
Thanks!
EDIT: So I went here...http://forum.xda-developers.com/showthread.php?t=282073, to check the CID / SIM Unlocker, but it says I need to downgrade to 1.04, because I can upgrade.
Try reading: http://forum.xda-developers.com/showthread.php?t=293665
I read that, and I went ahead and ran the program.
I'm still using SPL 1.06
ROM Version still 1.18.255.3
Radio has been updated to 1.16.00.00.
Reception still hasn't changed much. I'll have 4Bars to start with, and then it will drop to 2...
I also used the CID/SIM Unlocker, so I'm good to go.
That means I should be able to load AKU3.3 right? Or should I downgrade to SPL 1.04 first?
hZSoul said:
I read that, and I went ahead and ran the program.
I'm still using SPL 1.06
ROM Version still 1.18.255.3
Radio has been updated to 1.16.00.00.
Reception still hasn't changed much. I'll have 4Bars to start with, and then it will drop to 2...
I also used the CID/SIM Unlocker, so I'm good to go.
That means I should be able to load AKU3.3 right? Or should I downgrade to SPL 1.04 first?
Click to expand...
Click to collapse
So youve unlocked the device and changed it to SuperCID. Good work.
Just run the latest AKU3.3 HTC rom (its at the top). You will get an updated radio version and the new AKU, remember to backup all your stuff and be prepared to reinstall all the settings/applications. As i said again, dont flash the rom unless you are sure you know what you are doing.
I should be good. I'm about to run it, once it finishes the download.
I just have 2 conerns...will the radio reception be any better, and 2 is it really that much better? I was looking for the "updates faq's", or what was included, but I didn't see anything.
Also the other thing, is not really a concern but more of it being tiedious, is re-entering all of the WAP, and MMS, settings...ballocks...oh well. Here goes...
hZSoul said:
I should be good. I'm about to run it, once it finishes the download.
I just have 2 conerns...will the radio reception be any better, and 2 is it really that much better? I was looking for the "updates faq's", or what was included, but I didn't see anything.
Also the other thing, is not really a concern but more of it being tiedious, is re-entering all of the WAP, and MMS, settings...ballocks...oh well. Here goes...
Click to expand...
Click to collapse
If you are going to play with the TyTN like us people on here are (such as testing WM XDA-Live) you will get used to adding the MMS/GPRS settings.
There is a NOTICEABLE improvement in reception from radio version 1.27.00.00 onwards, the version in the HTC-AKU3.3 rom package is 1.34.10.00 so you SHOULD see a slight improvment. Stability is by far the best thing on that ROM.
I highly recommend downloading TCPMP and trying out some .avi files on it as it is the version with the ATi Imageon chip working as desired.
Since upgrading to radio 1.27 (and later to 1.35.00.11) the 3G reception of my TyTN has improved alot, such that i can get 3G reception downstairs where before i only got strong GSM.
Alright, the upgrade went smooth, now I just have to go and add in the MMS, and GPRS settings, so...I'll get around to that a little later.
So I have the latest ROM version, with the latest boot loader. I am a little dissapointed though. Even with the newest Radio version, it still does not pickup a signal as well as my Sony W810i did. Prehaps interference, from the bluetooth, or the Wi-Fi radios. However I don't even have those turned on. Hurm...
The OS runs alot smoother than the previous build. Now I just have to go in and tweak the settings. Everything else though seems to be nice.
About the radio. With my W810i, the signal was very strong, even when in the buildings on my college campus. However the reception from the TyTN, isn't as strong. This might end up being the breaking point...I'll keep testing it out, so we'll see.
As of right now though, I've full integrated my life into this device. I have my comlete daily schedule planned in with classes, meetings, ect. Today in class, rather than taking notes I was able to logon to the website, and download the powerpoint presentation that was being used, and used that for my notes. Gotta love having a campus that is 100% Wi-Fi.
Thanks for the help with the upgrade. I'm glad you stepped in otherwise I would have turned around and sold it, even though I've very happy with my TyTN, everything but the Radio problem though...
uh, "Latest" Boot Loader? You mean you put 1.09 on the phone? or are you talking about the RADIO bootloader? That you now have 0108?
If you put 1.09 on the phone you'll want to, IMHO, read about how to DOWNGRADE to Oli's 1.10.oli or 1.01MFG or 1.04 if you really want...
You should be able to do it with SSPL, but, I'd suggest you READ CAREFULLY this time.
Yeah its 1.09.
I'll take a look into what you just mentioned, and read up on it, now that I'm more familiar, and a little more secure with this. I was kind of worried, about flashing the rom, after reading alot of the "be careful...", or "at your own risk". So...
Obviously I will procceed with caution...
Any other pointed, tips would be appreciated. Thanks as always!

Radio Bootloader 0108 - still a no go zone?

Hey guys,
I've been reading quite extensively into upgrading just the Radio version on my i-mate Jasjam. I get terrible reception where I am and am hoping to cure this with a more recent radio (currently on 1.20.31.10, HTC_Boot 0107).
However having read the multiple warnings against upgrading to Radio ROMs above 1.27 I'm a bit unsure. Ideally I'd like to give 1.43 a try due to the positive comments on its GSM reception. Unfortunately, being above Radio ROM 1.27 it comes with the bundle of joy that is Radio Bootloader 0108.
The main reason I don't want to upgrade to Radio Bootloader 0108 is for warranty purposes. If I upgrade the radio and HardSPL I'll have no problems downgrading these later. The Radio Bootlaoder, on the other hand, seems to be impossible to get rid of.
So I guess I have two questions.
The main question is whether radio bootloader 0108 is still not downgradable. I came across two threads where it seemed as if progress would be made - the first was a post by pof 2 years ago saying he was working on a method to downgrade, found here: http://forum.xda-developers.com/showthread.php?t=293297&page=3&highlight=radio+bootloader+0108
and the other thread was written by olipro and looked very promising, with a volunteer to test a patched radio bootloader, but with no results posted. This was a 18 months ago:
http://forum.xda-developers.com/showthread.php?t=297897&highlight=radio+bootloader+0108
The second question isn't a big deal, but I'm just wondering why so many people who have warned against upgrading to Radios with radio bootloader 0108 have radio bootloader 0108 installed themselves?
At the moment it looks like I'm going to be stuck with crappy reception for the next 2 years due to fear of voiding (and not being able to "unvoid") my warranty, unless this 0108 problem gets fixed!
Any updates on this situation would really be appreciated.
No rom upgrade from I-mate with 108 bl??
I had same problem , my tyTn was shipped with radio 1.03.06.00 (bl < 108).
I waited untill a new rom upgrade was available and checked for radio bl=108.
Now I'm running radio 1.43 , I believe you haven't a lot to wait for..
Thanks for the reply jarod, that's actually a good point - I thought i-mate hadn't released a ROM upgrade which included a 0108 radio bootloader but I was wrong. They released one then pulled it from their website.
Since I can still get it from here I could upgrade using an official i-mate release and therefore not void my warranty, and wouldn't have any need to downgrade back to 0107 if I were sending my phone in for repairs.
They pulled it off thier website,
but not off their FTP
ftp://ftp.clubimate.com/i-mate_JASJAM_telstra_1.31.305.2_106_6275_1.38.30.10_108_ship.zip
As long as you put HardSPL on it, Who cares about warranty, the crap Ive done to mine and haven't stuffed it, It's unbelievable
Much of the BL 108 talk was from before the time when we had a way to get around the flashing a radio. Much work has been done in the past 7 months on both ROM Cooking as well as opening up the Hermes...

PLEASE??? Radio only upgrade questions...

I've read around the forum and wiki, and it is not clear to me the requirements of upgrading only the radio. My questions are:
1. I have a cing/Att 8525, running the latest WM5 release by att/htc from htc's att site; My phone has not been sim / cid unlocked. Can I upgrade my radio only without unlocking the phone? I upgraded to the official ATT WM6 release from this site, but I lost sync functionality for Microsoft Money for PPC; this is 90% of the reason I bought the phone in the first place, so I'm going to go back to the WM5 release. However, the 1.48 radio in the WM6 release gives me better reception. So, can I upgrade the radio only in the wm5 release w/o unlocking the phone (which is still under warranty)?
2. If the answer to 1 is yes, the second question is that if I clear storage and reformat the phone sometime in the future for warranty purposes, will the radio revert to the WM5 version?
Thanks in advance!
Yes you can flash the radio ROM only. Have a look at the wiki for instructions and download links to extracted radio ROMs (including 1.48). You do not need to unlock your device but installing Hard-SPL first is a very good idea if you want to avoid having to make a call on your warranty.
Yes you can downgrade by flashing over another radio - provided that it (like 1.48) uses radio bootloader 0108. If it uses an older bootloader version you will not be able to downgrade at all. You can check which bootloader version is in use on the wiki page listing radio roms. However, I wouldn't worry about it for two reasons: 1) if you can't downgrade you are stuck on 1.48 now anyway (anothe reason you ought to have Hard SPL installed as a failed downgrade may brick your device); and 2) virtually all official recent WM5 updates will include a radio sufficiently new that it uses bootloader 0108.
U R The Man....
I had read and read and read, and finally stepped out on a limb and did exactly that (hardsplv7, and radio rom 1.50) Prior to reading your response. but you actually answered my remaining question, concerning my warranty. I greatly appreciate your response.
ma499 said:
Yes you can flash the radio ROM only. Have a look at the wiki for instructions and download links to extracted radio ROMs (including 1.48). You do not need to unlock your device but installing Hard-SPL first is a very good idea if you want to avoid having to make a call on your warranty.
Yes you can downgrade by flashing over another radio - provided that it (like 1.48) uses radio bootloader 0108. If it uses an older bootloader version you will not be able to downgrade at all. You can check which bootloader version is in use on the wiki page listing radio roms. However, I wouldn't worry about it for two reasons: 1) if you can't downgrade you are stuck on 1.48 now anyway (anothe reason you ought to have Hard SPL installed as a failed downgrade may brick your device); and 2) virtually all official recent WM5 updates will include a radio sufficiently new that it uses bootloader 0108.
Click to expand...
Click to collapse
But if you follow Mrvanx's guide to downgrade the SPL to match your radio version, this should also work not so?
The "radio bootloader" is part of the Radio ROM image, and completely separate from the main SPL bootloader. Once you are on a Radio ROM that uses radio bootloader 0108 you can't downgrade to an older radio bootloader version.
See here for a more detailed discussion:
http://forum.xda-developers.com/showpost.php?p=1114233&postcount=2
ma499 said:
The "radio bootloader" is part of the Radio ROM image, and completely separate from the main SPL bootloader. Once you are on a Radio ROM that uses radio bootloader 0108 you can't downgrade to an older radio bootloader version.
See here for a more detailed discussion:
http://forum.xda-developers.com/showpost.php?p=1114233&postcount=2
Click to expand...
Click to collapse
Ahhh, ok sorry, i got a bit confused between the bootloaders.
Thanks for the reminder ma499. Really appreciate it!
Regards.

Concise guide to upgrading to WM6.1?/michyrom

Hi there,
I'm looking to upgrade my stock (and unlocked) x7501 to WM6.1. First up i'd like to say that I *have* read the forums, and I *have* read lots of threads about upgrading. Unfortunately it seems I still don't understand what the entire process is.
Firstly, what is SPL? I could not discover what this acronym means. Thus, how do I determine my SPL version, and does this have anything to do with the fact that my phone is factory unlocked or not? Apparently the first step is to run something like Hard-SPL unlocker but my phone is unlocked - I don't want to do something unnecessary or brick the phone.
It seems unfortunate that other users asking similar questions to me got flamed for not reading or 'not reading enough' but i can say that unless i missed a crucial reading thread (i have read all the stickys) then it certainly isnt very clear what the process is.
Any help much appreciated.
hi
a little help on the acronyms from the wiki page:
CID lock (aka vendor lock): puts on your device by the manufacturer to prevent installation of a ROM not released by them.
HardSPL: This modified bootloader allows a much safer flashing process to take place since it reduces the chance of permenently bricking your device. It also removes the need to CID Unlock the device since it ALWAYS reports SuperCID when flashing. See the official thread for more info.
Hard Reset: Similar to a soft reset, by performing a hard reset you completely wipe your device and restore it to the position it was in when you first turned the device on after it was purchased or after a new ROM is flashed.
Radio: The radio stack is responsible for the phone functionality of the device. This includes GPRS, GSM, UMTS, and GPS operations as well as camera functionality. The version you use depends on who your carrier is as users have reported versions working better on one carrier than the other. The wiki pages contain the latest versions available to download and install.
ROM: The ROM holds the Operating system and other components such as the bluetooth and wifi stacks. The ROM is accompanied by the Radio, Ext_ROM, SPL and IPL. Carriers such as T-mobile or Vodaphone taylor the ROM to their specifications and version numbers do not carry the same meaning across different carriers. IF the carrier you use supports the device well they will usually release regular ROM updates.
RUU - ROM Upgrade Utility: It’s the s/w used on your PC to do a ROM upgrade for your PPC;
IPL - Initial Program Loader: It’s the bootloader for PPC. It boots up SPL;
SPL - Secondary Program Loader: Loads the actual OS;
WWE: World Wide English Edition;
SSPL: SSPL is a modified bootloader which is loaded into RAM when run, this allows us to overwrite any aspect of the ROM, Radio or Bootloader far easier than using mtty.
I agree
I have noticed a lot of members with only a few posts asking questions and making fundamental mistakes and I usually say "read the wiki and do a search " but I did just that and there are a confusing array of answers.
I wil try to do an idiots guide later and post it here unless someone with more time does it first
Thanks robson/lakeman, that actually helps a lot.
So... We want to put a new SPL on the system, so that the IPL loads the new SPL (HardSPL), which gets around CID locking to allow you to flash the ROM via an RUU?
Also, would like to add that there are two types of rom's.
Rom's for SPL1.2 and rom's for SPL3.5
If it is the first time I would suggest you first, to load SPL1.2 rom's
This way you can go back to original rom's very easy.
Rom's made to SPL3.5 gives more freedom to rom cookers, but once you are on SPL3.5 you cannot go back to original rom's unless you first revert to SPL1.2 first.
The process to revert from SPL1.2 to SPL3.5 and viceversa can be very tricky and can give you a lot of headackes.
You will need to read a lot and be aware of posible problems ( and resolutions ).
Welcome to this wonderfull world
re: spl and upgrading roms
putting aside my previous post, that's probably as far as i can go in terms of the techie stuff =)
my story: i was actually content with my original, untouched u1000 rom. then something happened with my bluetooth (all sounds kept on being streaming even without the bt activated)...that forced me to upgrade to ap3...probably the first rom upgrade that was made available for the u1000. i sorta felt that i had nothing to lose...if the rom upgrade couldn't fix the bt issue...then i'd get a replacement unit...
once i upgraded to ap3...and it was successful...i then tried out the rom upgrade by irus. it was fantastic...most notable was the auto-rotate feature....but apparently i was having some vga issues as i couldn't get 96dpi to work. that's when i installed michy's rom and i've been having a blast since then.
my point: i really can't answer the spl part in your original post...i kinda remember how to find the spl version....but i don't want to end up bricking or damaging your unit. there are others in the athena forum who are best qualified to answer that.....but once you get beyond this, let me know and i'd be happy to help you out in upgrading to michy's rom.
cheers
Robson, cool, your input is much appreciated. I think the first step is to find out my SPL version. I'll hunt around the forums/wiki for that, but if anyone knows off the top of their head, feel free to post.
Press all the way in the camera button and at the same time soft-reset.
Keep until it displays the famous tri-color screen. Loose buttons.
You will see something like this ( in my case ):
ATHE100
IPL-v1.00
ATHE100
SPL-v1.20.Olipro ( because I have already unlocked )
If your unit is virgin you will be SPL-v1.00 if I remember well.
regards,

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