it is possible that the failure in these devices is due to a problem in the operating system, but reloading the Android firmware would erase the sales data stored in the device's memory. It is imperative to develop a way to maintain the data when reloading the Android firmware.

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it is possible that the failure in these devices is due to a problem in the operating system, but reloading the Android firmware would erase the sales data stored in the device's memory. It is imperative to develop a way to maintain the data when reloading the Android firmware.

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jason · Answer 1

1、suggest customerize firmware and create an empty partition of capacity. This partition should be mounted in the root folder "/fiscaldata", and will use this partition to store the sales data. This partition should not be erased or modified when the Android firmware is reloaded.

2、developed a procedure to create a backup and copy it to USB Flash Drive.

it is possible that the failure in these devices is due to a problem in the operating system, but reloading the Android firmware would erase the sales data stored in the device's memory. It is imperative to develop a way to maintain the data when reloading the Android firmware.

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1 Answer

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