Yesterday I discoverered an option in my googlemail settings offering me to switch from my @googlemail.com to @gmail.com account. I did something stupid and clicked on that link….. and went to bed. Half an hour later I got notified by my GTalk Android client that it couldn't reconnect to my account because of a credential error.

After lots of reading and some tests I was able to revert it back…

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I found an interesting thread on XDA: what seems to be a bug leads under certain conditions to the Calendar app preventing the phone to go to sleep on HTC Desire. The known workaround is to remove Flickr sync.

Now that does not affect my phone but the method for finding out is interesting any may help you understand what is going on by analysing your battery stats. To do so:

• dial *#*#4636#*#*
• go to Battery history
• Display Partial wake usage

Now if there is anything responsible for the partial wake in large proportions you should try to get rid of it as it is for sure counter productive: your phone's battery life is all about sleeping for long periods of time when you don't use it so whatever prevents that is not meant to be. These conditions are due by wakelock conditions, a status where an application (or the system) explicitely tells the system to stay awake.

Telnet is lame so we will have a look at setting up dropbear as sshd on Android. This how-to will show you how to install configure and run dropbear as sshd and how to connect with a ssh client.

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Well I've decided to get a little bit more systematic on testing and documenting my results. This page will get an update as soon as I test a new kernel. I'm running a HTC Pro RAPH110 (Vodafone branding) with ROM 1.90.162.5 GER and radio 1.02.25.19.

The Kernels I run are from phhusson (great work). You can get them from here: http://glemsom.anapnea.net/android/htc-msm-android/. Make sure to visit the support site and give some feedback: http://pjottrr.no-ip.org:81/redmine/projects/show/androidphh

Apps I'm running besides the standard ones are:

• k9-mail
• locale
• Weather widget
• Calendar widget

Update: I've moved my test results to the belonging forum here

Well, I've spent some time with the update of 2009-11-22 testing WIFI. For that part everything is really fine but I found Android quite unresponsive and got a lot of messages telling me that this or that application was not responding. That's past now thanks the kernel update of 2009-11-29 21:25.

The installation of the kernel is quite simple:

• download the tar.gz file and unzip it to the root of the SD card (on RAPH)
• edit startup.txt to point to the fresh zImage (zImage.20091129_212534 instead of zImage)

My observations after a few minutes of using:

• far more responsive than the older kernel
• incoming calls do not hang my phone

I'm looking forward testing the battery life as part of the announcements of that kernel were that the overheating had dissapered, sign of fixed powersaving options.

More to come….