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faq:start [2018/01/08 17:35] nocommie |
faq:start [2022/02/12 05:09] czokie [4. Mavic without SD Card] |
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+ | ====== Frequently Asked Questions ====== | ||
- | **DJI Go Versions**: | + | If you want to know the most popular mods for your drone, this is the place to start. All of the resources and instructions below are raw DIY solutions. If you prefer, other commercial point-and-click solutions are available as commercial products. |
- | Have a question about what DJI Go4 version does what or is modifiable? | + | ===== 1. Flashing Firmware (DumlDore) ===== |
+ | [[https://github.com/jezzab/DUMLdore|DUMLdore V3.20]] from Jezzab is the latest version at the time of writing these instructions. Version 3.x is a complete re-write. The app has an about button where you can show appreciation for his hard work. | ||
- | **Firmware Versions**: | + | The latest version includes anti roll-back techniques which allow you to downgrade |
- | Looking for firmware | + | |
+ | ==== 1.1 Quick Guide ==== | ||
- | ===== New Questions ===== | + | How to unlock from and downgrade firmware? It's as easy as 1 2 3. |
- | If you have a question, post it below. We'll add an answer in if we think its a good question. | + | |
- | **Q1: Reverse Engineering of OcuSync Protocol**: | + | - Get Dumldore: https://github.com/jezzab/ |
- | I am wondering if anyone has tried to reverse engineer the OcuSync protocol yet or if there are plans to do so? I believe this could be a very promising thing to do. It would enable to use of custom viewing devices such as any HDMI screen or FPV goggle (instead of the rather pricey/bulky DJI Goggles | + | |
- | Thinking further it would also allow for custom controllers: e.g. It is just a rip-off that the Mavic & Spark Controllers are not interoperable even though they are both based on OcuSync. DJI did it on purpose to earn more money in selling more Combo-packages. Once the OcuSync has been broken it should be possible to port the code to a Raspberry Pi which would make for a perfect Ground Station or Viewing device (more than enough computation power and HDMI out). Just my 2ct, Cheers! | + | |
- | Keep up the excellent work! | + | |
- | **Answer**: I had heard of some work in this area, but it is unpublished at this time. Keep an eye on the various GIT repo's for the OG team. Thats where you will find anything officially published. | + | {{youtube> |
- | **Q1.1: Reverse Engineering of OcuSync Protocol**: | + | ==== 1.2 Detailed Guide ==== |
- | Thank you very much for your answer. Can you give a hint who the "OG team" is? I did some Google/GIT research but I am not sure about the results ;-) THX! | + | |
- | **A1.1**: Click " | + | - Before you start, confirm that DJI Assistant is working and can detect your aircraft. If it doesn' |
+ | - Get DUMLdore: https:// | ||
+ | | ||
+ | - Get firmware: http:// | ||
+ | | ||
+ | - Click on the firmware you want and save the files. | ||
+ | - Power up the aircraft, but do not connect to the computer yet. Let it fully boot up and connect to the PC and let Windows discover it. | ||
+ | | ||
+ | - Go to the DUMLdore folder and run DUMLdoreV3.exe as an Admin. | ||
+ | - Keep your aircraft cool. Sometimes, the firmware flashing process stalls due to known bugs in DJI flashing code, and this problem is unrelated to your use of third-party tools. Use a small fan to direct some airflow to the aircraft to keep it cool during the process. | ||
+ | | ||
+ | - Click on Load Firmware, select a path of the firmware file you want to load, and click on the firmware file. You will get a status box from DUMLdore confirming the Firmware file is loaded. | ||
+ | * DUMLdore will confirm that the firmware file matches the connected device!! | ||
+ | - Click on Flash Firmware. The firmware file will begin uploading, and DUMLdore will display status messages for the file transfer. The process is automated and takes about 10 to 15 minutes for a Mavic from this point. You will see the front red light flash, stay on solid, dim, and flash some more. The fan will come on, and the Mavic gets hot. Ensure you have proper space for airflow to the Mavic, and you may want to consider directing a fan on the underside of the Mavic to help with cooling. The fan will turn off during the process, and the Mavic can get pretty hot. Be patient. Once the aircraft restarts for the final time, the front red lights are on continuously, | ||
+ | * You can reinstall the same version a second time to ensure all modules are updated. When you reinstall the same performance, | ||
- | **Q2: Bricked P2s which DJI caused with known broken firmware and refuse to fix**: | ||
- | Are you aware of the horrible situation for huge amounts of Phantom2 pilots when DJI released a firmware which turned off their wifi and video and battery voltages readout - rendering the drone almost like a pathetic broken toy. There is a class action lawsuit to get DJI to fix this stuff. They are saying you have to pay $200 to get it fixed when it was their hokey firmware that ruined things. Who knows how the court case will come out but maybe some experts like you guys could do a firmware fix to take them back to a stable firmware perhaps with a dumldore type tool. The tens of thousands of people who cant fly now would love you and may also donate for helping them. Would you like to look at this.. or do you know much about this already. Respect for all your work... Dumldore rocks. | ||
- | from me@thematthewwilliams.com | ||
- | **A2**: Most of the work here is focussed on current generation products. While we sympathize with the situation, the OG team generally don' | + | DO NOT RUN ASSISTANT AT THE SAME TIME AS DUMLdore. You will see the progress |
+ | If you are upgrading | ||
+ | |||
+ | You will also find an " | ||
+ | |||
+ | Want to activate your aircraft? DUMLdore has you covered. Click the button and follow the prompts. | ||
+ | |||
+ | Something failed during an upgrade? Click Pull Upgrade Logs, and find out what went wrong. | ||
+ | ===== 2. Anti Roll Back ===== | ||
+ | |||
+ | ===== 3. FTP Timeout Issues ===== | ||
+ | This one will help if you are having connection issues to your bird. Not just for unlock or firmware upload, but to make it more stable in general. | ||
+ | {{youtube> | ||
+ | ===== 4. Mavic without SD Card ===== | ||
+ | Later version Mavics are shipped without an internal SD card. Newer firmware from 1.03.1000 and up write to the internal memory and NOT to the SD card. Older firmware requires the SD card, so thats the reason for the error when trying to run older firmware. In order to downgrade and FLY WITHOUT the dreaded SD card error on earlier firmware, you will need to open your aircraft up and put in a SD card. Special thanks to dwallersv and the OG's for help in their detective work to solve this issue. | ||
+ | ===== 5. Parameter Editing ===== | ||
+ | |||
+ | ===== 6. GO App Patching ===== | ||
+ | |||
+ | ===== 7. Duml Racer (Get Root) ===== | ||
+ | |||
+ | ===== 8. NFZ Removal (APK Mod) ===== | ||
+ | |||
+ | |||
+ | **Need an overview of what is available and how to proceed? | ||
+ | |||
+ | Check out the awesome summaries by [[https:// | ||
+ | |||
+ | **Have a question about something or need some advice? | ||
+ | |||
+ | Check out the RCGroups thread [[https:// | ||
+ | |||
+ | **Looking for a video on how to mod your firmware or app?**: | ||
+ | |||
+ | Check out the awesome videos made by [[https:// | ||
+ | |||
+ | **Looking for a way to just pay for an service to do all this for you?**: | ||
+ | |||
+ | NoLimitDrones [[https:// | ||
+ | |||
+ | Drone-Hacks [[https:// | ||
+ | |||
+ | **DJI Go Versions**: | ||
+ | |||
+ | Have a question about what DJI Go4 version does what or is modifiable? [[http:// | ||
+ | |||
+ | **Firmware Versions**: | ||
+ | |||
+ | Looking for firmware or have a question about the firmware rev history? Use [[https:// | ||
- | **Q3: Disabeling VPS (aka Vision Positioning System) on DJI Spark **: | + | Have questions about what specific modules in the firmware do what? [[http://dji.retroroms.info/faq/ |
- | Recently we discovered that the VPS System of Spark (consisting of Optical Flow Camera and IR-Sensor Unit on the bottom of the device) has problems on certain surfaces or when flying over certain terrain. Whereas the VPS feature can be deactivated on P4 and Mavic DJI has decided to hide the VPS enable/disable dialog in DJI Go4 for its entry level drone. Is there any way to deactivate VPS without covering/taping the sensors? Taping the sensors results in copter constantly gaining height and acting unexpectedly. Thank you very much! Keep up the excellent work! | + | |
- | **Q4: I Want the FCC mode on my P4 pro+**. But can`t find the DJI Go 4 folder on the integrated Android Display. Is it possible to crck this device, or not? | + | **Have a question about how to easily bypass DJIs No Fly Zone Restrictions**: |
- | **Q5: Dji Go app before 4 models hacking**: This app is giving many troubles to many users especially under Android devices, mainly for Phantom 3 SE and Standard but it seems to give problems with Professional too, resulting in (sometimes extremely) shortened range. It all began with a CE to FCC switching for the AC that were in fcc mode in ce countries. Unfortunately with that a " | + | Ok, lots has changed on this recently. There have been a few OGs (and honorary OGs ;) ) working on this behind the scenes lately. NFZ can completely be removed on ANY FW now and this info is being released |
- | Contact me for any info eventually needed at dronandy501@gmail.com. Thank you. | + | |
- | **Q6**: I'd like to use the FCC hack. I copied | + | < |
+ | and the [[http:// | ||
- | **Q7**: I've been to the pyduml process and I'm stuck at the step 5 at the " | ||
- | Traceback (most recent call last): | ||
- | File " | ||
- | import serial | ||
- | ImportError: | ||
- | Did I miss something ? | + | If you have a question, please go to the RCGroups thread linked above or join the Slack channel |
- | Cheers |