Verizon Ellipsis 7 QMV7B (verizon-qmv7b)

From postmarketOS Wiki
Verizon (Quanta) Verizon Ellipsis 7 QMV7B
Picture from the Verizon website
Picture from the Verizon website
Manufacturer Verizon (Quanta)
Name Verizon Ellipsis 7 QMV7B
Codename verizon-qmv7b
Released 2013
Type tablet
Hardware
Chipset Mediatek MT8125K
CPU Cortex-A7
GPU PowerVR SGX 544 MP
Display 1280x800 IPS
Storage 8 GB
Memory 1 GB
Architecture armv7
Software
Original software Android
Original version 4.2.2
Extended version 4.4.2
postmarketOS
Category testing
Pre-built images no
This device is marked as not booting.
Status: Factory bootloader is locked down by Verizon


All information here applies to the final revision of the board, QMV7B.

Software

The U-Boot and Linux sources are unavailable.

Information from Android 4.4.2 settings:

  • Kernel Version: 3.4.67, wormboss@midgard #1, Fri Dec 26 13:41:13 CST 2014
  • Build Number: ALPS.KK1.MP5.V1
  • SW Version: MV7B_41D37_442
  • HW Version: D3A

Hardware

Battery: 4,000 MAh "McNair" branded Li-ion battery
Most or all components manufactured by Quanta Computer.

UART

These terminals seem to connect to a UART with output disabled on all firmware stages:
QMV7B UART.jpg


UART has been disabled in kernel cmdline:
root@QMV7A:/ # cat /proc/cmdline console=ttyMT3,921600n1 vmalloc=496M slub_max_order=0 lcm=1-nt35521_n070icn_gb1 fps=6592 lcm_type=1 pl_t=3616 lk_t=1584 printk.disable_uart=1 boot_reason=0

See also