Hello,
SIM card errors can be caused from a malfunction in the SIM card holder, or in the SIM card itself. For best help, please visit your local mobile provider store.
Thanks,
Dish Guy
Phone will still boot without a SIM card usually just comes up and says that you need a SIM card to operate the phone but it will still boot/charge without it. Could be bad battery most HTC phones will not boot without a operational battery. Pull the battery and plug it into a charger if the Charging light goes on for like 3-5 sec. then off most likely battery is faulty if no light at all, could be a bunch of different reasons.
Only Telus can unlock it and only if the rent to own contract is paid off. If you take it to a third party unlocker, Telus can still lock it on you by using the IMEI number.I would urge you to edit out your IMEI number as it can allow the unscrupulous to clone your phone and make calls at your expense.
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If the phone is frozen and you just want to "pull the battery" hold the power button for at least 10 seconds and the phone will power off(simulates a battery pull in devices with non removable batteries)
If you would like to do a factory restore(hard reset)
Ensure the device is powered off.
Press and hold the Volume Down button then press and release the Power button.
Note When the screen with the three androids appears, release the Volume down button.
Press the Volume Down button to select Factory Reset then press the Power button.
Note Allow several minutes for the reboot process to complete.
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