UFi A04s (sm-a047f) dead after isp pinout

UFi Box & Dongle

dondav77

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Sep 21, 2022
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Nigeria
After I tried to connect a04s with isp for frp and device didnt connect with box afterwords the device refused to come on its just stuck in exynox mode I have made jumper on clk and still dead same issue on two devices any solution plz
 
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arhanmobile

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After I tried to connect a04s with isp for frp and device didnt connect with box afterwords the device refused to come on its just stuck in exynox mode I have made jumper on clk and still dead same issue on two devices any solution plz
The Dat0 line of A04s is below the cpu. Is the cpu scratched or not yet ?
 
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dondav77

Active Member
Sep 21, 2022
54
8
Nigeria
The Dat0 line of A04s is below the cpu. Is the cpu scratched or not yet ?
I couldn't scratch so I had to remove emmc form board and connect on BGA adapter interface so I could read emmc and I discovered that the boot configuration was 0x0 which seemed abnormal and and android software information wasn't coming up but the user patition was intact now I couldn't flash bootloader with Ufi since I wasn't seen the bit type of the phone I only changed boot configuration to 0x57 the regular mtk type which other exynox devices use and when I replaced chip to board device was still in exynox mode I'll have to chimera as adviced thanks a lot I'll keep updating
 
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Gujjarmobile789

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Aug 28, 2025
30
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pakistan lahore
I couldn't scratch so I had to remove emmc form board and connect on BGA adapter interface so I could read emmc and I discovered that the boot configuration was 0x0 which seemed abnormal and and android software information wasn't coming up but the user patition was intact now I couldn't flash bootloader with Ufi since I wasn't seen the bit type of the phone I only changed boot configuration to 0x57 the regular mtk type which other exynox devices use and when I replaced chip to board device was still in exynox mode I'll have to chimera as adviced thanks a lot I'll keep updating
hello brother my a04s dead after isp pinout give solution please brother
 

arhanmobile

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bro any solution

hello brother my a04s dead after isp pinout give solution please brother
Hi Gujjarmobile789

Brother, on Samsung A04s ISP the DAT0 pin is only accessible after drilling the CPU, that’s why it connects properly only in that way. If the phone is dead after ISP, then please share which ISP method you used and also attach a clear photo of your ISP connection.

Also confirm:
After ISP, is the phone creating auto port in device manager or not?

Is it showing any kind of response (charging, detection) or is it completely dead?

Did the phone die immediately after ISP wiring, or after FRP reset?

Only after checking these details we can suggest the right solution.
 
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Gujjarmobile789

Active Member
Aug 28, 2025
30
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pakistan lahore
Hi Gujjarmobile789

Brother, on Samsung A04s ISP the DAT0 pin is only accessible after drilling the CPU, that’s why it connects properly only in that way. If the phone is dead after ISP, then please share which ISP method you used and also attach a clear photo of your ISP connection.

Also confirm:
After ISP, is the phone creating auto port in device manager or not?

Is it showing any kind of response (charging, detection) or is it completely dead?

Did the phone die immediately after ISP wiring, or after FRP reset?

Only after checking these details we can suggest the right solution.

brother i was use this isp connention but my phone not connect properly

my mobile not show any port on tool but in device manager mobile show loading like connecting

and not show any charging ampair

the phone die after isp wiring but after wiring
 

arhanmobile

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brother i was use this isp connention but my phone not connect properly

my mobile not show any port on tool but in device manager mobile show loading like connecting

and not show any charging ampair

the phone die after isp wiring but after wiring
First, the ISP connection used is not correct.
2nd, you should check each line one by one with a multimeter in GR mode, especially on the lines where you applied jumpers, to make sure there is no short.
3rd, if all the lines are ok, remove the CLK resistor and put a jumper on that point, then check again.
4th, if everything still looks fine, the next step is to remove the flash chip and test it directly on the box to confirm whether the chip itself is good or faulty.

If you want, I can provide you with the correct ISP pinout for this model which works 100%.
 
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Gujjarmobile789

Active Member
Aug 28, 2025
30
8
pakistan lahore
First, the ISP connection used is not correct.
2nd, you should check each line one by one with a multimeter in GR mode, especially on the lines where you applied jumpers, to make sure there is no short.
3rd, if all the lines are ok, remove the CLK resistor and put a jumper on that point, then check again.
4th, if everything still looks fine, the next step is to remove the flash chip and test it directly on the box to confirm whether the chip itself is good or faulty.

If you want, I can provide you with the correct ISP pinout for this model which works 100%.
brother i check all line but no short find all fine next i try to remove the ram but which box i used for programming ?
 
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