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Old April 5th, 2012, 07:10 PM   #1 (permalink)
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Default Warning: Dont use HTC One X without SIM installed

The HTC One X uses a Micro SIM and my HTC Desire HD uses a regular SIM. To use my HTC One X I needed to migrate to a Micro SIM which I ordered from Vodafone a few weeks ago.

I decided my work couldn’t stand being interrupted at the time so I used my HTC One X without a SIM fitted and just relied on WiFi.

Without any SIM fitted I was able to fully set up and use the HTC One X with Gmail etc or so I thought…

Without any SIM fitted I fully charged my HTC One X and set off for work. At that time there was a small concern that the phone was running slightly warm but I put that down to coming off charge.

From a full charge the HTC One X was on standby for about 1 hour and when I came to use the phone it was significantly warm and a quarter of the battery had been used even though the screen had been off. I used the phone for about 20 minutes which was my first use of the phone and was just setting it up to my liking but the battery indicator was visibly reducing. I put the phone back on standby and it continued to be significantly warm for another 2 hours but when I checked it later it was stone cold as the battery was completely exhausted after only 4 hours.

During the time that the HTC One X was extremely warm even though it had been on standby for long periods. I checked Settings, Power, Battery use and the indicator for Android OS was off the scale and Screen indicator was not significantly used and this is the opposite of what I am used to with my HTC Desire HD. In fact the CPU Total for Android OS was over 3 hours duration and this corresponded to the time that the unit had been running on battery.

I sought advice from the various phone shops around High St Kensington and the general consensus was to send the phone back because it was faulty.

Obviously I was very concerned that my HTC One X was faulty and was consuming too much power but as a last resort I installed a Micro SIM and performed a factory reset to make the HTC One X recognise the SIM. I don’t know if the factory reset was strictly necessary. Almost immediately I was aware of an improvement and power consumption was considerably reduced. I have now used the phone following a full charge and Screen is showing 59% and Android OS 4% which is what I expect. The HTC One X is now at a normal temperature.

My conclusion is that the HTC One X suffers excessive battery consumption what used without a SIM installed. The power consumption is normal when used with a SIM installed.

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Old April 6th, 2012, 03:48 AM   #2 (permalink)
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I must say I'd be inclined to agree, although I had my sim in the phone yesterday, it wasn't activated, since cutting my old sim and using it for the time being i have noticed a marked improvement in battery consumption.
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Old April 6th, 2012, 05:37 AM   #3 (permalink)
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Thanks for the tip.

It's most likely because it's looking for a signal. Once of the biggest reasons for battery drain is poor signal. If the phone can't get what it thinks is an acceptable signal, it will push more power to the radio in an effort to get one. If you've no SIM installed, you've no signal which is going to kill the battery pretty quickly.
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Old April 8th, 2012, 01:12 AM   #4 (permalink)
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Quote:
Originally Posted by Actual View Post
The HTC One X uses a Micro SIM and my HTC Desire HD uses a regular SIM. To use my HTC One X I needed to migrate to a Micro SIM which I ordered from Vodafone a few weeks ago.

I decided my work couldn’t stand being interrupted at the time so I used my HTC One X without a SIM fitted and just relied on WiFi.

Without any SIM fitted I was able to fully set up and use the HTC One X with Gmail etc or so I thought…

Without any SIM fitted I fully charged my HTC One X and set off for work. At that time there was a small concern that the phone was running slightly warm but I put that down to coming off charge.

From a full charge the HTC One X was on standby for about 1 hour and when I came to use the phone it was significantly warm and a quarter of the battery had been used even though the screen had been off. I used the phone for about 20 minutes which was my first use of the phone and was just setting it up to my liking but the battery indicator was visibly reducing. I put the phone back on standby and it continued to be significantly warm for another 2 hours but when I checked it later it was stone cold as the battery was completely exhausted after only 4 hours.

During the time that the HTC One X was extremely warm even though it had been on standby for long periods. I checked Settings, Power, Battery use and the indicator for Android OS was off the scale and Screen indicator was not significantly used and this is the opposite of what I am used to with my HTC Desire HD. In fact the CPU Total for Android OS was over 3 hours duration and this corresponded to the time that the unit had been running on battery.

I sought advice from the various phone shops around High St Kensington and the general consensus was to send the phone back because it was faulty.

Obviously I was very concerned that my HTC One X was faulty and was consuming too much power but as a last resort I installed a Micro SIM and performed a factory reset to make the HTC One X recognise the SIM. I don’t know if the factory reset was strictly necessary. Almost immediately I was aware of an improvement and power consumption was considerably reduced. I have now used the phone following a full charge and Screen is showing 59% and Android OS 4% which is what I expect. The HTC One X is now at a normal temperature.

My conclusion is that the HTC One X suffers excessive battery consumption what used without a SIM installed. The power consumption is normal when used with a SIM installed.
I have been using my 'one' for a couple of days with no sim and have not had any issues of overheating. I tried to cut down and old sim and use but the sim did not work. I dont know if this was down to my cutting or a faulty sim as I had not used in a while.

You may have had a rouge app and when you did a reset this sorted your problem out. I certenly would not put people off using the phone without a sim in it.

Regards.
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Old April 8th, 2012, 11:05 AM   #5 (permalink)
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Quote:
Originally Posted by Actual View Post
The HTC One X uses a Micro SIM and my HTC Desire HD uses a regular SIM. To use my HTC One X I needed to migrate to a Micro SIM which I ordered from Vodafone a few weeks ago.

I decided my work couldn’t stand being interrupted at the time so I used my HTC One X without a SIM fitted and just relied on WiFi.

Without any SIM fitted I was able to fully set up and use the HTC One X with Gmail etc or so I thought…

Without any SIM fitted I fully charged my HTC One X and set off for work. At that time there was a small concern that the phone was running slightly warm but I put that down to coming off charge.

From a full charge the HTC One X was on standby for about 1 hour and when I came to use the phone it was significantly warm and a quarter of the battery had been used even though the screen had been off. I used the phone for about 20 minutes which was my first use of the phone and was just setting it up to my liking but the battery indicator was visibly reducing. I put the phone back on standby and it continued to be significantly warm for another 2 hours but when I checked it later it was stone cold as the battery was completely exhausted after only 4 hours.

During the time that the HTC One X was extremely warm even though it had been on standby for long periods. I checked Settings, Power, Battery use and the indicator for Android OS was off the scale and Screen indicator was not significantly used and this is the opposite of what I am used to with my HTC Desire HD. In fact the CPU Total for Android OS was over 3 hours duration and this corresponded to the time that the unit had been running on battery.

I sought advice from the various phone shops around High St Kensington and the general consensus was to send the phone back because it was faulty.

Obviously I was very concerned that my HTC One X was faulty and was consuming too much power but as a last resort I installed a Micro SIM and performed a factory reset to make the HTC One X recognise the SIM. I don’t know if the factory reset was strictly necessary. Almost immediately I was aware of an improvement and power consumption was considerably reduced. I have now used the phone following a full charge and Screen is showing 59% and Android OS 4% which is what I expect. The HTC One X is now at a normal temperature.

My conclusion is that the HTC One X suffers excessive battery consumption what used without a SIM installed. The power consumption is normal when used with a SIM installed.
i was wondering, did you put your phone in airplane mode? i dont know about htc, but with my galaxy s, i can put it in airplane mode then turn on wifi so basically its just a little wifi tablet with cell radios off.

but that said, my phone is verizon with no sim card. but i would assume you should still be able to use wifi in airplane mode with a sim phone?

i'm wondering if this setup would still make the phone heat up?
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Old April 8th, 2012, 12:13 PM   #6 (permalink)
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No issues here running without a Sim, have been since Friday, phone works great. Screen is showing as the main battery hog, Android OS is next but a teeny usage bar, compared to the screen.
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Old April 8th, 2012, 05:15 PM   #7 (permalink)
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The first use of my HTC One X was that I had very little time to play and no Micro SIM so I turned on and ran the Setup without a SIM.

I was not prompted to choose carrier but I didn’t know this at the time.

I noticed almost immediately that the phone was running warm even when in standby/sleep.

I hardly did anything with the phone but the battery level was dropping fast so I did try a restart and a power off and on. It exhausted the battery within 4 hours and I let it do this because I hoped a cold start would fix it.

Later I used a SIM cutter to convert my SIM into a Micro SIM but the SIM didn’t work in my HTC One X but it did work when put back in my HTC Desire HD with an adapter.

I already had a proper Micro SIM from Vodafone but it was out of customer service hours so the next day I got my account transferred to my Micro SIM which I was pleased to find happened almost immediately. However the proper Micro SIM would not work until I performed a factory reset and now the Setup did ask me for my carrier details and I immediately know that the battery drain problem was resolved.

Hopefully the above account will help anyone who has a similar battery drain problem.
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The HTC One X is the first quad-core Android smartphone, not only by HTC but from any manufacturer. It'll have a Tegra 3 chipset inside by NVIDIA alongside 1GB of RAM, an 8 megapixel HD camera with flash, front-facing camera, a 4.7 inch 720p di... Read More

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