How to improve the battery of your Nokia Lumia with an experimental setting
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"There are quite a few complaints about the battery life of the Lumia 920 lately, especially since the Portico update. Thanks to a hint from @Strachey, I was messing around with the 920&39;s internal settings and found an (experimental) way to extend battery life. As you know, the Internet connection is one of the aspects that most consume the phone&39;s battery. On the Lumia 920 there is a dual connection mode, HSPA+, which roughly doubles the download speed using two HSPA connections. Obviously, this consumes quite a bit more power ."
From the phone's internal settings we can choose the type of network that the phone will use, and therefore we can disable the use of HSPA+. Taking advantage of the fact that I was passing by, I also increased the frequency of polling .
"What is the polling frequency? Every X seconds, the phone searches for available cells and chooses which one to connect to. If the polling frequency is very high, it will take you longer to recover coverage when you leave the Metro or move between cells, for example. On the other hand, if the frequency is very low, you will recover the coverage more quickly but you will also consume more battery."
Changing Nokia Lumia network settings
"Now that we know what we are going to do, let&39;s do it . On your Nokia Lumia (I&39;ve tried it on the 920, but it should work on either WP7 or WP8) dial 3282 and press call. A screen will appear with a lot of options.Press any one and, in the lower menu, press settings."
From there you can change the polling frequency (I've set it to 7 seconds and I've had almost no problems) and the type of network, adjusting the phone so that it only connects to 3G.
Although I've said it before, let me emphasize: this setting is totally experimental. It does not come in any Nokia manual. In theory you will not break the phone: if the connection stops working, you just have to go back to the previous settings. But you know how computing is, so if you change the settings you do so at your own risk.
Personally, I've been changing the settings for a few days and I've noticed an improvement in the battery, about 3-4 more hours a day, and I haven't had connectivity problems except for the first day, when I stayed twice no internet and had to reboot. If you try it on your phone (again, at your own risk), you can tell us in the comments how it went for you so we can see if the method is really effective.
