How can I go about resetting my phone to as close to its factory state as possible? I want to go through the initial configuration process with the SIM card inserted as I had configured it without a SIM card.
A bit off topic in this thread. So you should start a new thread if you have any follow up questions..
But to answer,
Settings > General > Backup and reset > Factory data reset > Reset
That should do what you want.
Be warned that this will delete all of your user data, files and apps. So do a backup first.
And optionally follow that by using Odin or Kies to flash a full OEM stock firmware image on the device.
The latter step isn't really necessary 99% of the time and does very little that the first step hasn't already done. But you did say..
as close as... possible
.
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did I mention that if it was my device being sold, etc, that I would also trash my encryption keys, do several dd passes over the flash memory, soft brick, repartition, then wipe again with forensic software while pondering whether I had any reasons to simply grind the handset into fine powder.. ?