About Sulphation...

[silentbogo]

But I still believe your tablet is fixable. Just need to find an adequate service center to perform diagnostics and repair. I've seen people with right skills and access to right tools do miracles with presumably dead electronics(even soaked in water and leaked batteries).

 

[qu4k3r]

Only in a specialized data recovery lab. Your tablet has flash memory soldered to the PCB, and there are only 2 ways to recover it from a broken device:
1) Restore the functionality of the motherboard, so it is at least recognized by PC, and then simply dump the data
2) de-solder storage IC from motherboard and use very expensive equipment to perform data recovery

Somebody told me that de-soldering storage IC and then solder it back into another tablet (same model exactly) could work to extract data to a pc. But I don't know if this method can be trustable, and nobody can guarantee storage IC is not broken.

 

[CjStaal]

Or desolder and then solder it on to a new device with less-expensive hardware. You can get a BGA template and workstation for less than a hundred bucks and a rework station with hot air for 200.

Yes qu4k3r, it's possible.

But I still believe your tablet is fixable. Just need to find an adequate service center to perform diagnostics and repair. I've seen people with right skills and access to right tools do miracles with presumably dead electronics(even soaked in water and leaked batteries).

Somebody told me that de-soldering storage IC and then solder it back into another tablet (same model exactly) could work to extract data to a pc. But I don't know if this method can be trustable, and nobody can guarantee storage IC is not broken.

 

[silentbogo]

It is doable if you have a architecturally similar device: tablet, phone, SoC. Maybe even a sacrificial flashdrive (may need some firmware manipulation). The only problem is that most phones and tablets have memory chips in BGA package, which makes it hard to re-solder at home (unless you are a hopeless nerd like me and sport a homebrew IR rework station). Flashdrives are easy, because they have SOP packaged chips and can be soldered with hot-air rework station, or even a regular soldering iron (requires steady hands and tons of patience).

 

[qu4k3r]

Ok then it's doable.

I'm not gonna do it by myself, and certainly not at home becuase I don't have that kind of tools/equipment but...

Maybe at some repair shop which does laptop motheboard reballing and have the equipment shown in this?
http://reparacion-instalacion.merca...eparacion-tarjetas-madre-laptop-reballing-_JM

and I suppose nodoby can guarantee the integrity of data contained within storage IC and/or storage IC itself, right?

 

[silentbogo]

Ok then it's doable.

I'm not gonna do it by myself, and certainly not at home becuase I don't have that kind of tools/equipment but...

Maybe at some repair shop which does laptop motheboard reballing and have the equipment shown in this?
http://reparacion-instalacion.merca...eparacion-tarjetas-madre-laptop-reballing-_JM

and I suppose nodoby can guarantee the integrity of data contained within storage IC and/or storage IC itself, right?

Yep. Not only you cannot know for sure that the transplant will be successful, but also this procedure will be relatively expensive.

 

[OneMoar]

BGA work isn't hard provided you have the proper tools
the problem is usually sourcing a replacement chip
if you are just removing the chip and replacing the solder balls then its not difficult at all if you have the correct tools (infrared soldering station and a suitable bga template