Has anyone attempted to do this. I did it and now my baseband and imei are gone
Not enough info.
How exactly did you try to "downgrade"? List the exact steps, file names, etc.
Do fastboot getvar all, and post the results (delete IMEI and serial number before posting).
Is the bootloader unlocked, s-off, etc.?
Related
Hello. I have some problems with network unlocking my hox because orange romania changes unlock codes and the price is way too high. So I found a service that can unlock all HOX that have build lower than 3.18... The problem is I have 3.20.401.1, HBOOT 1.39, ViperX 3.60. My CID is HTC__032. Is there a way to downgrade it?With a NAND Backup or something?( I didn't backuped up when I upgraded)
exilod said:
Hello. I have some problems with network unlocking my hox because orange romania changes unlock codes and the price is way too high. So I found a service that can unlock all HOX that have build lower than 3.18... The problem is I have 3.20.401.1, HBOOT 1.39, ViperX 3.60. My CID is HTC__032. Is there a way to downgrade it?With a NAND Backup or something?( I didn't backuped up when I upgraded)
Click to expand...
Click to collapse
Search forums, read and you will succeed.
I found the collection of stock rom and i found some backups that are good but someone told me that if i downgrade i will lose the touch because of touch drivers or something. Is that posible?
Flashing different roms will never break your hardware, you can always revert back if anything doesnt work. (Don't forget to always flash the boot.img separately from fastboot).
If you downgrade with nandroid backup then there is no restriction to what version you are downgrading to, the only problem is that some hardware MAY not work properly.
Note: your phones base version is not 3.20.401.1, this is ViperX 3.6 base version. To check the actual version, you have to check it from fastboot in the bootloader with this command: fastboot getvar version-main or fastboot getvar mainver
example : Im using viperx 3.6.0 3.20.401.1 but it still shows as 3.16.415.4 in the bootloader
I typed fastboot getvar version-main and i get this: version-main: 3.14.401.31
If you are correct, this is the real build number so i don't need the nandroid backup?
exilod said:
I typed fastboot getvar version-main and i get this: version-main: 3.14.401.31
If you are correct, this is the real build number so i don't need the nandroid backup?
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Click to collapse
You need to downgrade to 3.14.401.31, not 3.20.401.1. Thats what I meant.
But I dont see why you need to downgrade to network unlock the phone. ie Do you send your phone to unlock it or do they give you an unlock code ?
I'll take the phone to them for unlock. 4 Months ago they could unlocked it only if it had ICS 4.0.4 or lower. I will ask to see the process and if they will succed I'll explain it here.
hi friends i have bought a Htc one m8 from ebay.in and i tried to update the phone but there was no software update option in the settings through google i learnt that i have to flash stock recovery through adb but the problem begins now that i cant determine my phones model as it indicates HTC M8w (HTCOneM8vzw) and in Software it says "Sprint_M8_X.rom_2.0.5" so please help me to determine my phones model weather it is Sprint or Verizon or M8w and please help me to find wheather there is any easy way to update my phones software
thanks in advance
Please get to fastboot and run a getvar all to get all details. This one probably have a custom recovery in place as well.
The software version listed in Settings means nothing. It looks like the name of a custom ROM that the previous owner flashed.
I agree with the last response, that we need getvar data to be sure how to proceed. Do fastboot getvar all, and post the output (delete IMEI and serial number before posting).
Also, this thread belong in the Q&A, Support forum section. So I've asked the mods to move it.
it was previously on super cid 11111111 but once i accidentally changed to VZW__001 plz tell what should i do to change it also as iam a newbie to these things
redpoint73 said:
The software version listed in Settings means nothing. It looks like the name of a custom ROM that the previous owner flashed.
I agree with the last response, that we need getvar data to be sure how to proceed. Do fastboot getvar all, and post the output (delete IMEI and serial number before posting).
Also, this thread belong in the Q&A, Support forum section. So I've asked the mods to move it.
Click to expand...
Click to collapse
Its Sprint, Harmon Kardon (HK) Edition. The product name m8_whl means its Sprint. The main version number "654" means its the HK Edition.
You can go back to SuperCID with the command: fastboot oem writecid 11111111
Or you can go back to the Sprint CID. Searching around, the CID for HK Edition is: SPCS_004
Then update using the RUU and instruction near the bottom of the following: http://www.htc.com/us/support/htc-one-m8-harman-kardon-edition-sprint/news/
Be aware, the RUU will wipe the phone. So backup anything you want to keep accordingly.
i need to ask a question that if i update using RUU wold my phone will be get locked as i dont know wheather its factory unlocked or not is there any way-out to check the same
redpoint73 said:
Its Sprint, Harmon Kardon (HK) Edition. The product name m8_whl means its Sprint. The main version number "654" means its the HK Edition.
You can go back to SuperCID with the command: fastboot oem writecid 11111111
Or you can go back to the Sprint CID. Searching around, the CID for HK Edition is: SPCS_004
Then update using the RUU and instruction near the bottom of the following: http://www.htc.com/us/support/htc-one-m8-harman-kardon-edition-sprint/news/
Be aware, the RUU will wipe the phone. So backup anything you want to keep accordingly.
Click to expand...
Click to collapse
jasaasi said:
i need to ask a question that if i update using RUU wold my phone will be get locked as i dont know wheather its factory unlocked or not is there any way-out to check the same
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Click to collapse
Your phone will still be SIM-unlocked after RUU. Doesn't matter if it was factory unlocked or otherwise.
thanks ill do it and afterwards post
redpoint73 said:
Your phone will still be SIM-unlocked after RUU. Doesn't matter if it was factory unlocked or otherwise.
Click to expand...
Click to collapse
thanks succeded
jasaasi said:
i need to ask a question that if i update using RUU wold my phone will be get locked as i dont know wheather its factory unlocked or not is there any way-out to check the same
Click to expand...
Click to collapse
jasaasi said:
thanks
Click to expand...
Click to collapse
There's a button for that.
You're welcome, and glad it worked out for you.
i have flashed the zip RUU but still unknown baseband, when i use getvar all i see baseband and my imei. any body knows the solution to this problem?
hi to all ..i have htc one m8 and i cant update it to marshmallow ..my version in phone is lollipop .. any help plz
Is the phone modified (bootloader unlocked, root, etc.) or stock?
Do you know what version (CID) of the M8 you have?
If you know how, do fastboot getvar all, and post the output (delete IMEI and serial number before posting).
Guys...help. My HTC M8 SPRINT has no connection to a carrier. I dial #06# no IMEI. I go to the fastboot mode (use fastboot getvar all) I see IMEI.
looks like radio is bricked. Hot to fix iT?
Did you do something to cause this condition? Tried to flash an RUU, firmware or radio? Is the phone s-off? SuperCID?
redpoint73 said:
Did you do something to cause this condition? Tried to flash an RUU, firmware or radio? Is the phone s-off? SuperCID?
Click to expand...
Click to collapse
I got s-off. tryed CID 11111111 and real one from sprint SPCS_001.
Problem apperead after reflashing Sprint HTC M8 MarshMallow
ytunbe said:
Problem apperead after reflashing Sprint HTC M8 MarshMallow
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Click to collapse
For what reason did you reflash that RUU? What was done to the phone previous to that?
When asking for help, it's best to give as much background info as possible; not just a few sentences on the present condition. Knowing the history might give us a clue in troubleshooting.
Also, do fastboot getvar all, and post the results (delete IMEI and serial number before posting).