Change "should be necessary" to "shouldn't be necessary" so that the sentence makes sense.
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@ -31,7 +31,7 @@ Found DFU: [0483:df11] devnum=0, cfg=1, intf=0, alt=3, name="@Device Feature/0xF
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```
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If desired, backup the original firmware (this doesn't work with dfu-util 0.5, but does with 0.7 or newer).
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Previous releases of micropython are available from: http://micropython.org/download/ so performing a backup should be unecessary.
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Previous releases of micropython are available from: http://micropython.org/download/ so performing a backup shouldn't be unecessary.
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```
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$ sudo dfu-util --alt 0 --upload pyboard-original.dfu -s:524288
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