Here's some hints on how to fix the Nokia 6710 memory card not detected problem. If the phone doesn't detect a working microSD card inserted on it and indicated that "memory card is not inserted" or "memory card not detected" on the LCD screen display, this solution might possibly help fix the problem.
In troubleshooting this problem, you may start to check the miscroSD slot or holder for possible damaged, ensure that all the pins were not bended, clean and free from dust, dirt and oxidation.
There is a detection switch that controls and activate when the microSD is being inserted, and it has an ESD protection diode connected to it, check this components and its line paths also.
Check the VMEM (memory card supply voltage) at the two capacitors showed on the solution above, then the ground pin line paths.
There is a 47 ohms resistor being connected for the memory clock signal, check it and replace it if found damaged.
The rest of the connection line paths of the microSD pins is being connected directly to the Power IC (PEARL). Reworking or replacing it is the only option for further troubleshooting.
Then you may need to restore or flash the device firmware again if reworking or replacement took place.
In troubleshooting this problem, you may start to check the miscroSD slot or holder for possible damaged, ensure that all the pins were not bended, clean and free from dust, dirt and oxidation.
Nokia 6710 MMC memory card Problem Solution
There is a detection switch that controls and activate when the microSD is being inserted, and it has an ESD protection diode connected to it, check this components and its line paths also.
Check the VMEM (memory card supply voltage) at the two capacitors showed on the solution above, then the ground pin line paths.
There is a 47 ohms resistor being connected for the memory clock signal, check it and replace it if found damaged.
The rest of the connection line paths of the microSD pins is being connected directly to the Power IC (PEARL). Reworking or replacing it is the only option for further troubleshooting.
Then you may need to restore or flash the device firmware again if reworking or replacement took place.
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