Custom for 10.1" Tablet Philco Worktab Q10

Hello guys,

I woult like to know how can I update to Lollipop this Tablet with Phone function?
Which firmware I must use?

>ABOUT DEVICE<
BRAND: PHILCO
MODEL: WORKTAB Q10
ANDROID: 4.2.2
KERNEL: 3.5.0-rc6 (utsw1@ut161 #281 - CST 2013 ASV[2->2])
VERSION: full-smdk4412-eng 4.2.2 JDQ39 eng.utsw1.20131030.162012

>BRAND SITE SPECS<
CPU: ARM A9 Quad-Core de 1.6 GHz
Flash Memory: 16Gb
RAM Memory: 2Gb
Screen: 10.1" capacitive
Wi-Fi: 802.11 b/g/n
3G: 850/900/1900/2100 MHz
GSM: 850/900/1800/1900 MHz
GPS: A-GPS
Bluetooth 3.0
SD Slot supports up to 32gb
Android 4.2.2 Jelly Bean

>Info by app (CPU / RAM / DEVICE Identifier)<
CPU Type:
Samsung Exynos 4412 x4 1.6GHz
Smartphone Type:
S.LSI Division, Samsung Electronics Co., Ltd. WORKTAB Q10 (SMDK4412)
Samsung-CPU based Hyundai device
More Info:
1.3Ghz in single core mode, 1.2Ghz on x4 mode
Supported frequency states: 4
NEON capable (fast videos playback)
RAM memory module: 2 Gb DDR (Usable: 1908Mb)
GPU Type:
Mali-400 MP (quad core GPU)
by ARM Holdings plc / ARM Norway