How to fix the A6 firmware Battery Drain Problem on the HP TouchPad method 2
90The Problem:
Developer James Sullins, Aka Jcsullins, has informed HP TouchPads users that there is a problem with our tablets A6 Firmware. This issue can cause an usually high battery drain during sleep. This problem occurs overtime while running both CyanogeMod and WebOS, on the HP TouchPad. As a results the Touchpads battery drains more quickly with daily use and the overall life span is reduced.
The Solution:
Reflashing the A6 Firmware effectively fixes the problem but may need to be repeated as a part of regular HP TouchPad maintenance. Watch this video and follow the step by step instructions to reflash your own Touchpads A6 Firmware.
Troubleshooting:
(New)The PreWare.org site is no longer owned by the webOS Internals guys. They now have PreWare.net. Workarounds to get Wterm installed are as follows.
Note:To add wTerm hook up the HP TP to PC via USB and use WOSQI hosts file hack, option #1 from the link below. Option #1 changes the host file redirection to point to the new domain preware.net and then it will work. (Thanks to Dude Magnifico)
TIP: PREWARE.NET SOLUTIONS FOR WOSQI, PREWARE V1.9.13
http://pivotce.com/2014/08/31/tip-preware-net-solutions-for-wosqi-preware-v1-9-13/
How to Reflash the A6 Firmware:
1) Boot to WebOs and in the "Just Type" box enter the following: webos20090606 or upupdowndownleftrightleftrightbastart
-Tap the developer mode icon and slide the toggle to on, then press submit.
-Plug the USB cable into the HP TouchPad and your PC.
2)On your PC Install Java and the WebOSQuickInstall-4.5.0 software*
- Note* If you have already previously installed Android with Java, then skip it.
a]Download Java
http://java.com/en/download/
a]b)The Novacom Universal installer is now broken, use the manual Novacom links for your OS below:
Win32:
http://www.mediafire.com/download/w1jwel9sd3c4wd2/novacom-win-32.tgz
Win64:
http://www.mediafire.com/download/2p2k3ik89a474ky/novacom-win-64.tgz
Linux32:
http://www.mediafire.com/download/q2jdgec5asahmds/novacom-linux-32.tgz
Linux64:
http://www.mediafire.com/download/8tu5f66fl48sv83/novacom-linux-64.tgz
Mac OSX:
http://www.mediafire.com/download/fiv9xqy3b683aay/novacom-mac.tgz
b] WebOSQuickInstall-4.5.1
https://www.dropbox.com/s/b2ytrauvlqc4p6g/WebOSQuickInstall-4.5.1.jar?dl=0
3)Run the WebOSQuickInstall-4.5.0 software, note your TouchPad must be connected with the USB cable.
-Click on the Small globe icon located under the plus minus buttons.
-This will take us to a new menu where we will search "preware"
-Click the install button and the Preware app will be installed.
-You may now unplug the USB cable.
4)On the tablet while booted into WebOS navigate to downloads and select Preware.
-scroll down until you see a button appear to continue
-Search for "wterm" and install the app.
-Run wterm, and set a password to give the app Root permissions.
- You can set or change the password by looking for the wterm menu in the upper left corner and select setup.
-Click on New password and enter a simple password like "0000"
-Confirm the password and press "Set Password" button, now hit done and exit.
-Note you can increase the font size by going to wterm preference settings.
5) Now in wterm enter the following command
"PmA6Updater -f -d 0 /lib/firmware/a6_firmware.txt.00"
"PmA6Updater -a" (Note command flashes 2 firmwares)
-It should take about 20-30 seconds to complete and will inform you upon completion.
-Congratulations you have now reflashed the A6 Firmware and can safely close the terminal and reboot your HP TouchPad.
Note: If you input the command and get a message saying it said can't open the A6 device, then try toggling developer mode off and on.
A6 Firmware Threads & Info:
(New)TIP: PREWARE.NET SOLUTIONS FOR WOSQI, PREWARE V1.9.13
Note:To add wTerm hook up the HP TP to PC via USB and use WOSQI hosts file hack, option #1. Option #1 chNGES THE host file redirection to point to the new domain preware.net and then it works.
http://pivotce.com/2014/08/31/tip-preware-net-solutions-for-wosqi-preware-v1-9-13/
[Fix Guide] How to Reflash the A6 Firmware XDA Developers
http://forum.xda-developers.com/showthread.php?t=2283168
How to test:
How to monitor your battery
To monitor your battery drain history during sleep install the free app Battery Monitor Widget:
https://play.google.com/store/apps/details?id=ccc71.bmw&hl=en
-Once installed open the app and go to history to see a log of your devices sleep history.
-To setup the Battery Calibration correctly for the HP TouchPad,
-go to BMW settings/calibration/Battery capacity/ and set it to 6300 (*f29c), 6000 (*i29c) or 5800 (*s29c) and tap OK
-Note* See the Battery p/n # on the original packaging.
Or
You can also use Cool-Tools to monitor your battery drain in real time.
https://play.google.com/store/apps/details?id=ds.cpuoverlay&hl=en
-Watch the instructional video Here:
http://youtu.be/TZIVZ-zMfeo