MobistelEL570 » History » Revision 7
Revision 6 (steve-m, 02/19/2016 10:48 PM) → Revision 7/8 (steve-m, 02/19/2016 10:49 PM)
{{>toc}} h1. [[PageOutline]] = 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/). h1. = 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] || h1. [[BR]] = 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 + || h1. [[BR]] = JTAG Pinout = [[Image(el570_jtag.jpg)]] h1. = Bootloader = It uses the [[MTKRomloader]]. [wiki:MTKRomloader].