Here is picture of DM520 IR Sensor Panel
From some days DM520 automatically starts from Deep Standby to Rescue Mode.
When this happens front panel of Receiver shows colors like purple, red, without any human touch.
I don't know what has happened to DM520 sensor.
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Download any Rescue Image from DreamBox and send it to tmp folder of your DM520.
Or update it online 
Download link
https//dreamboxupdate.com/opendreambox/2.5/unstable/images/dm520/vmlinux.gz-rescue-3.4-r1-dm520-20190426.bin
Hereare some pictorial guidance to flash images
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What is the solution for,
Gstreamer error: Internal data stream error.
Dear Experts,
I use YouTube through E2iStream on DreamBox Company Image Installed in DM520.
In this image I am unable to play Live YouTube videos.
These live Channels work fine on OpenATV, OpenESI etc.
Here's is live YouTube video link
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Experts kindly suggest solutions
Here's today log
Now DM520 has auto boot in rescue mode log files are attached.
Kindly see some expert and suggest solution.
Boot Log After Properly ShutDown.txt
Manual: How to create a bootlog.
Dear find attached log files of DM520 obtained from Putty and HyperTerminal
DM520 HyerTerminal log file.txt
Dear Members,
There are some IPTV Channels which increase their video stream quality after some seconds when we play them on any platform.
In DreamBox company image and DreamElite Image Installed in my DM520 when video quality of these links increases they stop working.
Though these IPTV Channels work fine on OpenATV, and OpenESI.
Kindly check below link and suggest solution. Thanks
Please make a Bootlog and take it in the Thread...
Kindly share boot log command to prepare log through telnet command in temp folder of Receiver.
Dear Members,
I have been using DM520 for several months.
I always keep it in Deep Standby Mode before going to sleep at night.
But from last several days I find my DM520 in Rescue Mode in the morning.
What could be the problem, Experts kindly suggest solution.
This method works and it can easily be checked with any Free to Air SD Channel.
Dear Members,
I have figured out and want to share here a method for to increase video and audio quality in DM520.
1- Make Bouquet of Channels
2- Download it from WebIF
3- Now play this list with any IPTV player or make its Bouquet again in DM520.
You will observe a significant improvement in both Audio and Video quality of the service.
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Pictorial guide
May be I can not discuss it correctly. If you find time then download and play them in any DM520 or DM920, may be you can understand what a problem could be?
Hello Dear Experts
I am facing a problem on two following Free to Air Channels broadcasted from PakSat 38 east.
1- Lahore Rang TV (T.P 4132 V PakSat 38 East )
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2- Such TV (T.P 4096 V PakSat 38 East )
In Dreambox receiver only audio of these channels is working while the video is not shown. But when I decrease signal strength of these channels then after some scratches these channels work fine for longer hours and when I change channel then again they don't open video of the Channels. Or when I pause these channels and after some seconds rewind these channels then the screen of channels is shown but don't play smoothly.
However these channels are working fine on China based and Amiko Alien 2 receiver and on Mobile and TV connected through DLNA function of the Dreambox DM920 receiver.
Here is video link of these channels recorded from Dreambox DM920 receiver.
1- Lahore Rung TV
drive.google.com/open?id=1do1S3I_JQfcX2MnR4oCfVhLP_WaQFslZ
2- Such TV
drive.google.com/open?id=1Xp6t7eJ2CSqeCpHBtZiYGLm4p_b6SvGW
Kindly look into the matter and solve the problem in the coming firmware updates of Dreambox DM920 Receiver.
Thanking you in Advance.
Are there any drivers to update my receiver for to play above H264 Free to Air Channels.
Thanks all especially @dhwz, and @Shahrestani, @marrak, @mimisiku and all for providing their active feed back. My problem is resolved.
Kindly guide how do I communicate this problem with the DreamBox Company.
More than 24 hours has passed, but no one has bothered to reply.
Kindly some one suggest the solution for this problem.
Today I have received this response from the https://github.com
"This is a known problem of some receivers that has to do with switching from the DES encryption algorithm (used by most powervu channels) back to the CSA algorithm (used by all other channels).
It is purely a driver issue of your box and has nothing to do with oscam-emu. You should ask your box manufacturer or image supplier to fix it."
Now it is my humble request to DreamBox Admin, kindly raise the issue for fixing driver problem in the upcoming updates of the Dreambox DM520.
Thanking you in Advance.
