(ps: learning to solder good could take years 
)
In previous year I learned one woman to solder both THT and SMD properly in about 2-3 hours - including unpacking my toys (soldering station and other things) and packing it back. After that, she fixed her expensive SMD mounted LED strips by herself. Personally I was learned by her mother, when I was couple years old. Being patient is the key.
I dont get it why people when see two buttons instead of one, then they tell its complicated...
Everything is a file - three simple words. Thats it.
after reading your posts carefully i come to the realization that your technique is indeed the simplest one without opening up my scope again. i was very distracted lately, sorry... but there are still few things left to ask, i guess it should not take long anymore it should be this close...
1) where do i need to save those script you provided above? what file name?
2) and then using adb tool in which folder in the scope do i need to push it?
3) which line do i have to edit to get HW version number 8?
thanks for your persistent tips and helps..
Do You need some magic rule again? There is no rules here. At least Im not too much familiar with Android and I cant tell about any rules in Android. There are already existing scripts from Rigol - at least one of them is executed before starting app process, and You need to disable loading module hdcode_gpio.ko (to prevent from creating one file I was talking earlier) in one of those scripts - so guess where will be the best and easiest place for this?
Do I need to tell such simple things? Its like painting a picture - its Your choice in which part of canvas/paper You will begin. Same here - if its not working as You wanted, then grab another paper... Most mistakes in scripts (in exception of changing supply voltages) can be reverted in matter of seconds. Overheating PCB and damaging very small SMD components not very likely - some years ago I was making money from fixing laptops, and I made many mistakes already (most of them was caused by being lazy).
Also, what particular way You chose to edit script is Your chose. Again I suggest to do everything on Linux (chose Debian), because You have simple and in same time very powerful tools like a bash (sometimes very big magic can be done via putting one char in some command - saving hours of Your time).
(ps: learning to solder good could take years )
In previous year I learned one woman to solder both THT and SMD properly in about 2-3 hours - including unpacking my toys (soldering station and other things) and packing it back. After that, she fixed her expensive SMD mounted LED strips by herself. Personally I was learned by her mother, when I was couple years old. Being patient is the key.
3) which line do i have to edit to get HW version number 8?
Really? Its already in that mine earlier post. You need just one byte. Create one-byte length file. Thats all the magic. How You will do it, is Your choice. Theoretically nothing should delete this file, but who knows? Even if, thats no problem. Mine scope (924S) works with full bandwidth without this file (displayed HW is 0) so maybe there is no point to create this file at all?
BTW... maybe there is a point to dynamically create this file by a user choice. This scope originally has to offer only two bandwidth settings - full and 20 MHz. Displayed HW number is from app start (later changing doesnt do anything - at least as I checked it once), but according to strace output, this is being read many times later (by opening and closing file descriptor). I will check this later - If I forget, please remind me.
here is the complete list... resistors are 10Kohm... R1 and R2 (from left to right) are parallel, installing them will be 5Kohm, same thing with R3, R4 (rightmost)
Earlier I told here to measure those resistors. Everybody else assumed those are 0 Ω resistors... I wasnt complaining, but watching everybody destroying their scopes. Next time dont assume anything, especially when somebody tells You opposite. Using multimeter can take couple seconds and can save expensive&precise equipment and save many hours of unnecessary work.
Somebody did a measurement of its values?
That was week ago, and everybody was too lazy to check this with multimeter. Being lazy is a good thing. Being too much lazy, not so much. Now I dont see any point to make any play with this resistors anymore. Leave as it is and use my
"complicated
" hack - instead of unnecessary heating PCB and damaging it.
I think this is extremely unlikely...
I don't see any point in making parallel resistors for digital signals. This means that most likely these resistors give the processor not just 0 or 1, but a voltage level that changes depending on whether one resistor is installed or both are installed in parallel places.
On the other hand, according to Mechatrommer, installing one R1 and one R2 gives different versions of HW, which also makes no sense if they are paralleled. In general, it’s not clear yet 
I see many points. Same amount of resistors, but less CPU pins used. This is not a place of communication or any other signal. Booting 1 ms slower is nothing. Again, this is another reason, to use multimeter before soldering in blind like a 6-year old kids. Using voltmeter is also useful
I’m really itching to disassemble the oscilloscope and study these resistors under a microscope, to solve this riddle
Thats why I decided to use photo of microsope as a default wallpaper in my "orangerigol", which I will push to github later.
Speaking of solving a riddle... Again You are doing very unnecessary job, as I told earlier. Here is probably best example of solving riddles in easiest possible way:
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Topic: Hacking the Rigol DHO800/900 Scope (Read 1596394 times)