Why not to upgrade your mp3 player:
There is many hundreds of factories making these nano clones. They mostly use actionchipsets
Be aware , just because it uses a actionchipset dosnt mean it is the same as another actionchipset player for example:
The screen size varys from 1.5" to 1.8" on these players
this means that the firmware file must be modified for the size of screen and also the make of screen , if its a sasmung screen it will need a samsung drive . No if you have a mp4 with a toshiba screen and you try to load a firmware with a samsung screen driver in it, your player will think its a samsung screen and it wont display anything
Because its the wrong drive for the screen it wont affect your player but it will make it hard because you now need to find the right firmware , otherwise youve got a screenless video player
This rule also applys to electrical components.
IE the radio may be toshiba or it may be unbranded.This is the sort of thing which causes the player to fail , You load the wrong firmware with a toshiba driver for the radio , and actually the radio is unbranded and incompatible , this causes hardware prblems and you will most likley need to then open up your player and do the "Dead player recovery guide"
Ive read alot of the posts on this site , I dont often post back , 99% of the time people brake/brick there players from doing this id say afetr you brick your player its about a 50% chance you will be able to fix it(even then youll still have to open it up).
Just because a firmware is the same verison number it does NOT mean its compatible.
So please dont try to upgrade your firmware , very often the only advantage of even trying is differnt games built into the firmare (You may end up with no games- not work the risk)
Hope this helps
Someone mshould post a long writeup about bad firmware ect and make it a sitcky
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