MobistelEL570 » History » Revision 5
Revision 4 (steve-m, 02/19/2016 10:48 PM) → Revision 5/8 (steve-m, 02/19/2016 10:48 PM)
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= Elson Mobistel EL570 =
The Elson Mobistel EL570 is a Mediatek MT6227 based phone with touchscreen, mostly sold in Germany. It seems to be directly imported from China, and badged by Elson (http://www.elson.de/).
= PCB scans =
|| DBB side (facing display) || RF side (facing back of phone) ||
|| [[Image(el570_dbb_side_small.jpg, nolink)]]|| [[Image(el570_rf_side_small.jpg, nolink)]]||
|| large version: [raw-attachment:el570_dbb_side.jpg] || large version: [raw-attachment:el570_rf_side.jpg] ||
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= Connector pinout =
[[Image(connector_pcb.jpg)]] [[Image(el570_serial_cable.jpg, 22%)]]
||Pin || Signal || measured voltage || description ||
||1 || SPK_L || 800mV || left headset channel ||
||2 || SPK_R || 170mV || right headset channel||
||3 || GND || 0V || ground, used by USB cable ||
||4 || MIC || 2,800V || microphone, also used for PTT button on headset ||
||5 || GND || 0V || ground, used by USB cable ||
||6 || GND || 0V || ground ||
||7 || ? || 0V || not connected to ground ||
||8 || ? || 2,746V || unknown ||
||9 || VBAT? || 4,030V || seems to be the battery voltage ||
||10 || USB_DM || 0V || USB D- (white) ||
||11 || USB_DP || 0V || USB D+ (green) ||
||12 || UTXD1 || 2,746V || UART Tx ||
||13 || URXD1 || 2,758V || UART Rx ||
||14 || USB_5V || 111mV || USB charging supply ||
||15 || USB_5V || 111mV || USB charging supply ||
||16 || ? || 2,796V || unknown ||
||17 || VBAT || 4,070V || battery + ||
||18 || VBAT || 4,070V || battery + ||
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= Bootloader =
It uses the [wiki:MTKRomloader].