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6110 turn on

From: Chris Martinus
Subject: 6110 turn on
Date: Thu, 4 Dec 2003 14:18:37 +0200

I don't know if gnokii developers already know this, but the 5110, 6110, 6150 series phones phones can be switched on from power down mode by applying a 10mS pulse to the BTEMP battery connector (when looking at the back of the phone with battery removed, this is the 3rd battery contact from the left).
Unfortunately this does not work when the phone is in "acting dead" mode.  This mode occurs when the phone is powered down but is connected to a charger.  In "acting dead" mode the electronics of the phone is actually running (in order to do smart battery charging) but to the user it appears switched off - although the battery bars on the display show the battery charging.  It also appears that the data connection of the phone is active in this mode.
In the event that a phone's battery goes flat (perhaps during an extended power outage) and the phone powers down, there seems to be no way to automatically power it back up again if it has a charger plugged in, because neither a pulse to BTEMP or a 0x0c - 0x0d message to effect a keypress on the power button seems to power the phone up.
A pulse to BTEMP works great when the phone is powered down (without charger) and a 0x0c - 0x0d message will power the phone down when it is powered up.
My question is - has anyone discovered a "power up" message type to switch the phone on from "acting dead" mode?
Chris Martinus

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