Rolling back Firmware success!

Dronebow · Jul 29, 2015

n6vmo said:
The process I used:

1. Copy only service.bin into the root directory of the MicroSD card and update F/W as normal.
2. Copy only 1.1.9.bin into the root directory of the MicroSD card and update F/W as normal.
If your happy at 1.1.9 then stop here.
3. Copy only service.bin into the root directory of the MicroSD card and update F/W as normal.
4. Copy only 1.1.8.bin into the root directory of the MicroSD card and update F/W as normal.

As I posted previously, I can't get the app to display F/W 1.1.8, but the 'Results' text file created by the F/W upgrade reports 1.1.8 as a success. I believe an RC F/W upgrade to 1.1.8 my also be required. But no RC up/downgrade has been tried by anyone as far as I know....and I will not be the first one!

When you are on F/W 1.1.8 do you show 32 video channels?

n6vmo · Jul 29, 2015

Dronebow said:
When you are on F/W 1.1.8 do you show 32 video channels?

No, that is what I was looking for more than anything...bummer.

I checked for those channels even after going from 1.2.8 to .1.1.9.

dysan911 · Jul 29, 2015

Do you have to rename the file to SERVICE.BIN?

n6vmo · Jul 29, 2015

No, I use the filename that was sent to you by robgkr.

It is called MVOM0Fw.bin after it was unzipped. It is a 18kB file.

dysan911 · Jul 29, 2015

So regarding the video channels. I thought the reduced range was with the 1.2.6/1.2.8 FW. So 1.1.9 should restore the range back even though your not seeing 32 channels?

Dronebow · Jul 29, 2015

n6vmo said:
No, that is what I was looking for more than anything...bummer.

I checked for those channels even after going from 1.2.8 to .1.1.9.

When I do this I'm going to go back to 1.1.8 and see as well if those channels exist. I've read on several places where that's the version they existed but I'm wondering if it also requires the RC to be at a certain version...

I "think" when I bought this P3A it was on 1.1.9 because it wanted to update but I didn't know how to check the firmware at the time. I do know after the update I'm seeing things I do not like though. Like problems with the VPS and video channel issues.

Oso · Jul 29, 2015

Dronebow said:
When I do this I'm going to go back to 1.1.8 and see as well if those channels exist. I've read on several places where that's the version they existed but I'm wondering if it also requires the RC to be at a certain version...

I "think" when I bought this P3A it was on 1.1.9 because it wanted to update but I didn't know how to check the firmware at the time. I do know after the update I'm seeing things I do not like though. Like problems with the VPS and video channel issues.

Weren't the channel issues introduced with v1.2 of the Pilot app? I read somewhere that the number of channels are now dependent on the users location as determined by GPS. No?

stlblufan · Jul 29, 2015

n6vmo said:
No, I use the filename that was sent to you by robgkr.

It is called MVOM0Fw.bin after it was unzipped. It is a 12kB file.

Strange, the one I have is ~18kB. I haven't used it though, only the bin to downgrade the RC, so maybe it's the wrong one.

dysan911 · Jul 29, 2015

stlblufan said:
Strange, the one I have is ~18kB. I haven't used it though, only the bin to downgrade the RC, so maybe it's the wrong one.

Same as mine. 18,017 bytes to be exact.

n6vmo · Jul 29, 2015

dysan911 said:
Same as mine. 18,017 bytes to be exact.

You are right, I posted the 'zipped' file size by mistake. The un-zipped file size is 18kB.

I have corrected the above post.

blade strike · Jul 29, 2015

Channels are not FW related.. It's all app based. How do I know this? Because I have the testing app that unlocks the channels.

Dronebow · Jul 29, 2015

n6vmo said:
No, I use the filename that was sent to you by robgkr.

It is called MVOM0Fw.bin after it was unzipped. It is a 18kB file.

Ok, robgkr responded to me and I have the file now. JOY! I'll do this maybe tonight and report my findings. However, just as so many of us have agreed, I will not share the file since this was the agreement with robgkr. I will happily point anyone to the thread where they can get it from him.

Question n6vmo, the video shows the update to the P3 taking about 2 minutes and the indicator being the change in tone yet the instructions on the firmware packages always say wait 25 minutes. Which is correct??

Dronebow · Jul 29, 2015

blade strike said:
Channels are not FW related.. It's all app based. How do I know this? Because I have the testing app that unlocks the channels.

Don't dangle a carrot like that unless you intend to share..

Oso · Jul 29, 2015

Oso said:
Weren't the channel issues introduced with v1.2 of the Pilot app? I read somewhere that the number of channels are now dependent on the users location as determined by GPS. No?

Thanks for confirming this blade. Well, at least that it's app based.

jasonb777 · Jul 29, 2015

Im having a hard time following the thread, does more channels extend your possible distance by the channels changing automatically?

bimmy · Jul 29, 2015

I dont have any problemen with my p3p. but the last month(s) i read that alot of people do have problems with the latest fw Updates . Then tell me why didn't dji help those People when there is a possibility to roll back youre fw with this socalled service.bin .

jasonb777 · Jul 29, 2015

I guess the simple question Im trying to ask is what is the benefit 32 channels?

jasonb777 · Jul 29, 2015

I understand all the problems people have had with the latest firmware, though I never have had an issue other than the gimbal warning. But you guys are suggesting that their is a benefit to the 32 channels and Im just curious whats the benefit.

blade strike · Jul 29, 2015

jasonb777 said:
I understand all the problems people have had with the latest firmware, though I never have had an issue other than the gimbal warning. But you guys are suggesting that their is a benefit to the 32 channels and Im just curious whats the benefit.

Allows you to be on mostly unused channels. Which in some areas is illegal unless you have a ham license ..