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Review GSM-phone Siemens SX1. Battery

Review Siemens SX1. Summary>>

The back cover stands in front of battery section. The fastening is based on two side grooves and one locker located on the bottom. This construction is not very reliable, and during first weeks of usage you will notice obvious backlash. It doesn’t increase after that. The picture shows the whole that appears during vertical backlash. The phone doesn’t clank, this is an advantage. The backlash can be defeated by inserting small rubber padding under back cover. I recommend sticking them from the inside, but being sure to match the size and location first. The phone will look nicely from the esthetic point after that, the hole will not be present.

The Li-Ion battery comes with 1000 mAh capacity. Siemens claims that the phone can work for 200 hours in stand by mode and up to 240 minutes in talking mode. The specifications look unbelievably good for a smartphone, that’s why we decided to test it. Each time the battery worked in normal working time, after about 10 cycles of full charging/emptying.

All tests were made in Moscow; the operator was MTS. We made the tests during several periods of time (November, January). Only best results were taken into consideration, without looking at the firmware version. It’s natural that all measurements were made on the commercial sample.

The phone worked 71 hours when no calls were made, SX1 was just lying on the table, and nobody was moving or performing any action with it during that term.

Normal work time mode – 10-12 calls with overall length of 35 minutes. Up to 20-25 minutes for other functions. The phone will work for 2 days in that mode. The casual users should look forward to this work time.

Radio – listening to radio does not affect the energy consuming greatly. According to our observations one hour of radio playback via headphones decreases device’s working time for about 5-6 percent. Meanwhile when you listen to the radio through the loudspeaker will decrease the battery’s life to 15 percent per hour. It’s not hard to calculate overall working time by summing up these results.

MP3 – listening mp3 via headphones does not differ greatly from listening to radio, one hour of mp3 playback “eats” 6-7 percent of battery’s life.

On the whole with the mentioned facts being taken into consideration we can say the following: If you use radio or mp3 player for 2-3 hours per day, and spend about 20 minutes for calls, 25 minutes for other functions – the phone will work for one day, and you will have to recharge it in the evening.

Bluetooth. The usage of Bluetooth shortens the phone’s working time. If the Bluetooth is ON all the time, and you use garniture as well, the working time will decrease by 25% from the possible working time. If you are transferring data to your notebook, or using your smartphone as GPRS-modem, it’s working time will decrease to 5-6 hours, after that the battery will be empty.

Active users should expect 1 working day; this is a normal average time for a smartphone. Those who use the phone less actively will be able to charge its battery once in two days.

The device for quick charging is shipped in the standard package; there isn’t table “glass” around. This is another argument in favor of what is the real smartphone’s auditory.

It takes slightly more than 2.5 hours for the battery to charge up. Battery level indicator is rather buggy, but this is typical for a smartphone. This problem is caused since the capacity is rather big, and that’s why it has rather high error rate. When the phone wasn’t turned off on purpose (i.e. bug), the indicator starts showing less amount of battery’s remaining power than it actually is. On the whole the device shows incorrect information about the real battery’s capacity; it’s always smaller than in reality. The most precise battery’s energy amount information is shown in Siemens SX1 Data Suite. Direct comparison of indicator located on the phone and on PC show, that the second one is hatched more.

SIM-card holder is standard, nothing special can be said about it.

Review Siemens SX1. Summary>>

Eldar Murtazin ([email protected])
Translated by Alexander "Lexx" Zavoloka([email protected])

Published —13 February 2004

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