Android data manager tool can help us transfer pictures from htc phone to pc easily. First connect htc phone to pc via usb cable, start the Android data manager tool. A short time scanning later, you can export pictures and transfer them to pc.
https://www.android-mobile-manager.com/resources/transfer-photos-from-htc-to-computer.html
Your phone says "Invalid Sim" means that your phone is locked to particular Network.To solve this problem you need to get your phone unlocked.You can unlock your HTC Radar 4G phone from Network lock using unlock code.It is the best and safest way to unlock phone.You can get such codes from your Network service provider or any third party online vendors like TheUnlockSpot.com here you need to specify your country,Network name to which it is locked,IMEI number of your phone.Then they deliver unlock code to you through mail with unlocking instructions.Using this you can unlock your phone from Network lock easily.
If you want to use other sim then you must have to unlock your phone from current network.You can unlock your HTC Radar 4G phone using unlock code.Unlock code is the best and safest way to unlock phone.You can get the unlock code for your phone from your Network service provider or any third party online vendors like SimpleUnlocking.com here you need to specify your country,current network name,IMEI number of your phone.Then they deliver unlock code to you through mail with unlocking instructions.By using this you can unlock your phone easily.
I've had the same problem. Best solution is to put it on charge, face down for a few days. For some reason, overheating the phone by charging it for too long helps. My has this problem, that solves it but it'll come back again....
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.
iPubsoft Studio recently announced that it released its new software -- iPubsoft Android SMS+Contact Recovery for Android program, a new program that helps HTC users retrieve lost message from HTC device, The program includes significant improvements like simplified operation optimization, can scan text message, contacts file.
Simple Tricks to Retrieve Deleted SMS Messages from HTC Phones
You can try GT Recovery for Windows!
GT Recovery for Windows is a professional data recovery for Android phone or tablet. It can restore deleted photos,videos,audios,documents from Android SD card and internal memory. Whenever you lost important pictures or deleted photos by accident, you can use it to scan and recover the images on your Android devices.
Here are the steps to recover deleted data on Samsung Galaxy S4.
With this way you can recover deleted data on any brands of Android device such as Samsung, HTC, Huawei, Sony, Motorola, Lenovo, LG, Sharp, etc.
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Facebook homepage:https://www.facebook.com/GT-Recovery-for-Windows-527139864132104/
Download Link:http://www.gtrecovery.net/