Samsung SGH-F300 Service Manual page 59

(Before pressing 'Flash' button, push the button '*'and 'END' at the same
time. then press 'Flash'.)
Downloader will upload the binary file as below for the downloading.
6. When downloading is finished successfully, there is a
7. After finishing downloading, Certain memory resets should be done to guarantee the
normal performance.
8. Confirm the downloaded version name by key-string(*#1234#)
Memory reset will be done by pressing the following key-strings.
NAND Reset : "*2767*6263#" will reboot the phone automatically.
Full Reset : "*2767*3855#" will reboot the phone automatically.
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"All is well"
4-6
Array course control
message.