P3S P3/4K Downgradable ALL the WAY back Confirmed Working!!! UPDATE "Sensor error" FIXED!!

No success..... I've made it to 1.5.74, but I still get the barometer error. I can't update to 1.5.75 because it says "The firmware on the SD card is identical to or older than the current firmware on the aircraft.". I've also tried 1.5.74 + DEBUG, then 1.5.75, but same error message.... So I can't downgrade to 1.5.7 without barometer error??? :-(
 
Benke Smith said:
So to clear some confusion, please confirm this is the right order (assuming you start from 1.8.10):

1.8.10 => 1.8.10 + DEBUG
1.8.10 => 1.7.90
1.7.90 => 1.7.90 + DEBUG
1.7.90 => 1.7.94
1.7.94 => 1.6.80
1.6.80 => 1.6.80 + DEBUG
1.6.80 => 1.5.70
1.5.70 => 1.5.70 + DEBUG
1.5.70 => 1.5.74
1.5.74 => 1.5.75

I did all the above until 1.5.70 + DEBUG, but then tried 1.5.75 (did not know about 1.5.74 at that time).
Tomorrow I will try to do 1.5.70 => 1.5.74 and then 1.5.74 => 1.5.75, and will post the results here. :)
Click to expand...
1.7.94 is not needed unless you have an error.. But It will only fix that error... It comes back in additional downgrade...
Furthermore....
Most skip 1.6.8??
With no issue... (not helping if they do... Not hurting when they don't)
With much confusion, in the instructions That I tried to make clear... That my way was safe... (no brick )
I have also said that they need to be written "HERE" as they become formally Known...
I have Seen many methods tried?? No brick on any?? I myself Have skipped ALL versions On a P3P.. I with No issue... Which I still have not suggested... I don't Want "YOU BRICKED MY DRONE" POSTED :( That has not happened with MY method :) But My "Last Ditch Effort" Does have one "Dig deeper" Ken !!!
That would be to debug whatever working F/w on the drone now... Skip all F/W... run 1.5.7 pass or fall then debug it... Please remember.. Although the P3S seems hardest to brick out of all P3's
Just be aware I without any help from any DJI tech ... I Can't seem to find this 1.5.7 fix..
P3S P3/4K Downgradable ALL the WAY back Confirmed Working!!! UPDATE "Sensor error" FIXED!!
1.7.9 Compass (barometer) Error Fixed! (When Downgrading) 1.5.7 Fix also?
 
Last edited:
Update... DJI seems to have made a new firmware to fix sensor error... It looks as though they combined 1.7.9 and 1.7.94?? So there is no need to use 1.7.94 anymore...
Just use this 1.7.9 version. P3C_FW_V01.07.0090_FULL.zip
Thank You, Papa Tita!!! As always you are a Great asset to Us in the Phantom Community!!
 
KennethMcNutt said:
Update... DJI seems to have made a new firmware to fix sensor error... It looks as though they combined 1.7.9 and 1.7.94?? So there is no need to use 1.7.94 anymore...
Just use this 1.7.9 version. P3C_FW_V01.07.0090_FULL.zip
Thank You, Papa Tita!!! As always you are a Great asset to Us in the Phantom Community!!
Click to expand...

Havent 1.7.9 always been available? What makes this version better? And where did DJI post this?
 
Something strange happen here. Please help

Downgraded like this:

1.08.10
1.08.10 debug - Success
1.07.9 - Success. Info in app say 1.07.9
1.07.9 debug - Success. Info in app say 1.07.9
1.07.8 - Success. Info in app say N/A
1.07.8 debug- Success. Info in app say N/A
1.06.8 - Success. Info in app say 1.8.10

What happend here? Downloaded 1.06.8 from link in here. Deleted Go App before I started, and also deleted dji folder on phone.
 
KingChaos said:
Something strange happen here. Please help

Downgraded like this:

1.08.10
1.08.10 debug - Success
1.07.9 - Success. Info in app say 1.07.9
1.07.9 debug - Success. Info in app say 1.07.9
1.07.8 - Success. Info in app say N/A
1.07.8 debug- Success. Info in app say N/A
1.06.8 - Success. Info in app say 1.8.10

What happend here? Downloaded 1.06.8 from link in here. Deleted Go App before I started, and also deleted dji folder on phone.
Click to expand...
don't use 1.7.8...
don't use 1.6.8...
This way :)
P3S P3/4K Downgradable ALL the WAY back Confirmed Working!!! UPDATE "Sensor error" FIXED!!
 
KennethMcNutt said:
If your not gettind a sensor error you should be good.. Just relink the RC
Click to expand...
No sensor errors. AC and RC is all good and working. I can connect to RC but when I start AC the signal between RC and phone is lost.
Relinked RC and AC. Restarted both several times. If both is on I cannot connect the phone. If only RC is on I can connect, but as soon as AC is connected to RC the phone looses signal. Still connected to wifi but the app says bad signal ( and it's NO signal. Both 5.8 and .2.4 is lost )
 
KingChaos said:
No sensor errors. AC and RC is all good and working. I can connect to RC but when I start AC the signal between RC and phone is lost.
Relinked RC and AC. Restarted both several times. If both is on I cannot connect the phone. If only RC is on I can connect, but as soon as AC is connected to RC the phone looses signal. Still connected to wifi but the app says bad signal ( and it's NO signal. Both 5.8 and .2.4 is lost )
Click to expand...
Are you downgrading with R/C on?
 
New 1.9.20 firmware might be the fix for some 1.5.7 downgrade issues?? I don't know if it will fix the gimbal issue?? I am hoping for a friend (Nelson) to share his method here... He has worked hard for us :) Please try it?? Benke Smith
 

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