major_clanger: Clangers (Royal Mail stamp) (41)
[personal profile] major_clanger
During my discussion of mobile phone options I was pointed at OpenMoko, a project to create an open-source phone. It looks intriguing, but I have to say that I have concerns.

Firstly, my experiences with open-source make me rather wary of what using such a device will be like. A mobile phone is a consumer gadget, and one that it's easy to become very reliant on. If it crashes or misbehaves, I don't want to be told that there's a user forum where enthusiastic geeks can help me diagnose the problem. I want the phone to work, to stay working, and to be returnable to a dealer for replacement if it stops working.

Secondly, what about security? Not so much of the phone itself - I acknowledge that open-source systems can in fact be more secure than proprietary ones - but of the network. If the phone is open and hackable, how long before hacks start appearing that fiddle around with elements of its configuration that network providers are usually very keen stay set to predetermined states? In the short term, users might get better call quality, but how long will a cell network stay up if this sort of abuse becomes common?

Finally, what I know about the mobile phone industry suggests to me that it is an extremely technically sophisticated area. I don't doubt the enthusiasm of the OpenMoko developers, but are they biting off more than they can chew? Looking at the project wiki, some four months after development phones became available the latest news is as follows:

The Openmoko snapshot from 20071113, when employing a few steps, can sometimes (depending on the moon) make and receive calls but the dialer is in early alpha-testing state! Also note that there NO graphical frontend for handling SMS is included. Power management (suspend) is still flaky.

This for a product that is allegedly going to user release early next year!

Say what you will about the iPhone; you can at least use it to make calls with.

Date: 2007-11-29 09:22 am (UTC)
From: [identity profile] daveon.livejournal.com
If you want something to attach to a GSM network then you need to pass the basic GCF certification tests and if it is a handset then it will need to have passed SAR testing too. No question. No grey area. It's really not quite the same thing as your home network. If your router or home TCPIP stack is a bit shit it's not that much of an issue except for you. If a mobile phone is a bit shit then it can actually tear down a GSM cell. WCDMA is a lot worse. They'll reasonably quickly spot IMEA numbers and block them at the HLR which will prevent them attaching to a network.

Believe me, they'll do it, as MS found out a few years ago.

I've no issue with the hardware getting reverse engineered, but, at least in mobile phones, the effort to do that runs into tens of thousands of hours effort just to get a BSP loading the OS at sensible quality. I have serious doubts that anybody who isn't being paid is going to be prepared to do it.

To put this in perspetive. The last port to new silicon we did for an open OS took nearly 40,000 man hours of effort.

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Simon Bradshaw

January 2022

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