How can I read scan with an android phone? - Android Cell Phones

You can try Android Phone Recovery. There are two versions of it-Windows and Mac. The Android Data Recovery for Mac can help recover data recovery android mac like contacts, videos, photos and other data.
Jihosoft Android Phone Recovery
Jihosoft Android Data Recovery for Mac

Please do the following to isolate your issue:

1. It's possible that the usb port your connecting to is broken.

• Connect to another USB port.
• Connect to another PC and check if it's being read.

2. Problem with cable.

• Just use another USB cable.

3. Some android devices may be displayed in your computer but may not read your device as the screen is locked.

• Just unlock the display of your device by inserting your security code or swipe pattern.

4. USB port of your device is broken or the device storage itself could no longer be read. (hopefully not)

• If above items did not work then you may want to have your device checked by a technician.

Goodluck!

To restore your phone numbers, I think you need to through a excellent data recovery program to do, only in this way, you can get back the lost contacts.
And here are some useful guides, you can read it to understand.
How to Recover Deleted Contacts from Android Phone

Lost your photos on Android phone & need to recover deleted pictures, try GT Recovery for Android - the World's 1st Data Recovery Software for Android smart phones.
It can directly recover deleted pictures, photos lost due to deleting, restoring factory settings, flashing ROM, rooting, etc., from SD cards inside Android devices. It let you preview the deleted photos before recovery. Watch the video tutorial to learn how to retrieve photos from Android phone easily with simple clicks.
Key features of Data Recovery - GT Recovery for Android:
Preview & selectively retrieve photos and video lost due to any problem
Support all Android phones/tablets, like Samsung, HTC, LG, Motorola...
Only read and recover the data, no personal info leaking, 100% safe

Usually the SD card is a secondary storage device ... and separate from the (internal) phone memory. To determine / test this, see if your phone still have (some) information when you remove the SD card from the phone... e.g. your telephone contact list, etc.
Yes, you can try to recover the "deleted" file on the SD card using a PC / laptop ... using a data recovery utility/tool (on your PC) to scan the storage space or "undelete" that deleted file..

If your phone can be attached to a PC (e.g. via USB), and if your PC recognizes the "storage" disk on your phone as an "external" disk, you may also be able to use a data recovery utility to scan the storage space or "undelete" that deleted file.

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.
Google+:https://plus.google.com/communities/109657948177651590858
Facebook homepage:https://www.facebook.com/GT-Recovery-for-Windows-527139864132104/
Download Link:http://www.gtrecovery.net/

no root !
Can you retrieve deleted text messages on Android? Yeah, this video will show you the full guide for Android text message recovery. Don't hesitate and recover deleted text messages from Android 4.0, 4.1, 4.2, 4.4, 5.0, 5.1 and more versions right now!
Not only can you recover SMS messages from Android backup but also can recover Android SMS messages without backup. This video is showing you how to recover deleted sms messages on Android without root your phone.
Some common situations that lost text messages you can recover from:
1. accidentally deleted texts on your android phone
2. lost text messages after Android 5.0 updated or other Android upgrade.
3. save text messages from water damaged, crashed, broken or smashed Android phone
4. Android deleted text messages randomly by itself
5. Factory restore Android phone.
And more..

you can use a file recovery program to recover deleted text from phone. I had success with this program called asoftech data recovery, you may find more info from
http://www.asoftech.com/adr/index.html