android gingerbread

It is reported by South Korea media that there are over 4,000,000 Samsung Galaxy S4 have been sale around the world. There is no doubt that Samsung Galaxy S4 is the most popular Android phone in the world, (not "one of" the most popular).

Today, I want to said some techs in Android device!

For most of Android phone users, when they get the new gadget, they would like to root their phone as soon as possible. Rooting can free the phone, after rooting, you can clean the useless apps which have been installed in factory, and you can custom your phone OS. However, rooting will make your phone be under bigger danger. Anyway, the pro of rooting is more than cons. Let's know how to root Samsung Galaxy S4!!!

Preparation for Samsung Galaxy S4 rooting

Of course, we need some tools to root our S4, but the first headwork for rooting is backing up your phone data. Although rooting won't wipe data from phone, but some accidents happen when rooting is running, our phone OS may crashed. So it is necessary to backup Samsung Galaxy S4 data such as photos, contacts, text messages, videos, call history, apps, and so on. If data loss, you need to do greater effort to recover lost data from Samsung Galaxy S4.

On the other hands, you need to sure that you havre prepare well:

1. Your Samsung Galaxy S4(i9500)

2.Cofface’s CWM Recovery & Root(dowload here)

3.At least 50% battery remaining on your device

4.Odin3 Flash Utility (download here)

5.Samsung Android USB driver for your Galaxy S4 (Download here）  

(Announcement: I won't take any responsibility for any damage to your device as a result of following these instructions, you have to be at your own risk for rooting.)

Root Samsung Galaxy S4 Step by Step

Step 1: Dowload all the necessary tools, and install odin3 and driver to your computer.

Step 2: Launch Odin 3 in your computer, and connect your phone in dowdload mode. Here you need to do combined operation to make your phone in download mode. Firstly, power off your device, plug USB cable to your computer, hold down the Volume Up + Down at the same time, plug in the USB cable to your S4 while still holding down the volume buttons.

Step 3: after step 2, if you do the right operation, the Odin tool will detect your phone. The you can see some option in the right of Odin3. Under PDA, select the cofface_samsungI9500_recovery_en_0503.tar file to flash the recovery, which will later be used to root the device. Make sure that Re-Partition is unchecked, and don’t touch any other setting. Hit the Start button to begin flashing the new PDA.




Step 4: Once the flash is complete, the phone will reboot. Wait for boot to complete, and then power it back off. And Reboot the phone into CWM recovery that you just installed by pressing and holding Volume Up + Home buttons whilst powering on the device.

Step 5: In the CWM mode, you can see a "root your phone" option, just choose it and follow the guides to complete rooting.





Step 6:Reboot your device once again, and you will have the Super User app installed on your Galaxy S4 GT-I9500. Please ensure to not update the su binaries after this.
All of rooting Samsung Galaxy S4 have been done . Good luck!


Know how to recover data from Samsung Galaxy S4 here, if you lost data after rooting: http://www.any-data-recovery.com/topics/mobile-devices/recover-samsung-galaxy.html 

(Halloween Promotion coupon code for Tenorshare Android Data Recovery: TENO-LQLR-MLAO, 30% discount


Soures :http://www.redmondpie.com/root-galaxy-s4-gt-i9500-on-android-4.2.2-how-to-tutorial/ 

Battery time still is a big problem for Android phone

Any electronic gadgets need to work with electricity, for Android smart-phone, the battery must me able to support the phone at least can work in a day. However, even if developers have make the phone battery have more and more capacity of eletricity, such as Motorola Atrix. Certainly one sure-to-be takled about, Samsung Galaxy S4 which was released this year and equiped with the most advanced tech still is faced with the battery problem, even if it has 2600 mAh. If the phone suddenly power off when we are using it, data loss may happen, and Samsung Galaxy S4 data recovery is unavoidable, therefore, we have to know how to prolong Samsung Galaxy S4 battery use time.

Disable the features you don't need

As a high-end smart-phone, Samsung Galaxy S4 has many new nice features, which make the operation more convenient, such as eye-tracking feature, air gestures and S Translate. However, those feature need to be support by high battery depletion and we actually don't use those function frequently. So, when we don't need those thing, we can disable them to make the battery works at the key point.
Besides, it is better that when we don't need some apps, we had better turn off them, because those app which work on backstage will cost a lot of battery.

Use the power save mode

As most of other Android phone, Samsung Galaxy S4 has been added a power save mode as the standare software spec. We can make it work when the phone battery is low in the middle of the day . And this feature can be customed by user, the mode work time and other details feature setting are allowd.

Shutting down Sync and NFC feature

Some features in Android phone don't need to work at the time, the sync and NFC are the example, and these feature also will steal the battery without attention. You just can open Google sync when you need to sync data from phone. For NFC, this feature isn't necessary in daily using, so you can shut it down.

Use Black Wallpaper and Theme as far as possible

We all like to custom our phone with some beautiful wallpaper or the 3ed-party launcher themes. However, do you know that the lighter color can cause high-output of screen, which need more battery to support. It means a white wallpaper will cost more battery than a black wallpaper. Therefore, if you want to save battery for you phone, you can choose some wallpaper in dark color. Dark color also is beautiful, right? And lastly, although the livewallpaper is cool, it cost a lot battery.

 

Charge for battery before it runs out

Many people hold the point that only charge for the battery after it runs out. That may be not right. This option may reduce the life of the battery, so when your Samsung Galaxy S4 battery is low, you need to charge for it .


P.S. if you lose data from Samsung Galaxy S4 because of low power, don't worry! You can try to recover data from Samsung Galaxy with Android data recovery, more info: http://www.any-data-recovery.com/topics/mobile-devices/recover-samsung-galaxy.html

Samsung Galaxy S4 has been on sale for a perid of time. Due to former products' fame and the quality of this flag-ship, the sales status of Samsung Galaxy S4 is good and so many users enjoy using this excellent Android phone.

Compared with former Samsung Galaxy phone, S4 has a development in some respects-hardware is more powerful. software has more multifunction, and the design of the appearance and UI become more fashitacton. Those are the reason for so many enthusiasts. However, a good house need a good rider as well, so how to use Samsung Galaxy S4 is tactful. Here, I will share something tips for Samsung Galaxy S4 using.

1. Adjust the Brightness by" Auto adjust screen tone"

As you know, Samsung Galaxy has a HD superAMOLED screen, which provide a excellent view experience for user. However, few of us could notice that brightness of the screen. In fact, we can adjust it with a simple setting.

Generally, the change of screen brightness in Galaxy S4 and many other Samsung Galaxy phone adjust via "Auto adjust display tone" turned on. We can find it under Settings > My device > Display > More settings. When it is clicked, it adjust the screen display brightness depended on the on-screen image, this function can avoid over bright on screen which will kill battery and make user uncomfortable. Most of the time we might not notice this, but it is easy to see its effects.

When this setting is functioning, you can see that white space on the screen will be dim for saving power, but other colors' brightness won't be change a lot. That's magical. But when you search on the Internet with the Galaxy S4, you may feel the screen is too dim beacause of the white web page backgroud. The advantage of this function is able to saving power, but, users may feel it is hard to view something on the big HD screen.
Thus, if you want to saving power for the phone, you can make this function work, while if you want to have a good view experience, you can turn off it.

Multi-tasks Using

Multi-tasking support is a feature on Android 4.1/4.2 Jelly Bean. And Samsung has add this feature in Samsung Galaxy S3, Samsung Galaxy Note 2( they run Android 4.0 ICS in default), this characteristic won't be forgotten in Galaxy S4.

If we want to use muti-taking function, we have to choose the work area for it: firstly, drag down the notification bar and hit the block icon in the top right corner and make sure "Multi-window" is lit up. From there, you can toggle the Multi-window bar on or off by long-pressing the back key. It's possible to move the bar around by long-pressing the rounded tab while it's open. (To move the tab up or down, simply long-press and drag up or down when the bar doesn't been use.)

You should know that not all the apps in the phone can work on Multi-Window, but we can download from Samsung area in Google playstore. Of couse, those multi-task windows can be moved away, if you don't need to use it, go to edit and drag the windows you don't want to blank space.

Change Screen Message

When we buy a Samsung Galaxy S4 ,we can see a slogan on the lock screen say" Life companion" which is a ad word for Samsung Galaxy S4. However, if we want to move it or change to another words, is it possible?
Yes, it is easy, this slogan is a widget added to the lock screen, this is a characteristic of Android 4.2 Jelly Bean. What you can see on the lock screen can change or move away, the clock, date or others.
If you want to chage the slogan word, go to Settings>My device>Lock screen>Lock screen widgets, then you can set all the thing about lock scren widget, but this is a long way. For our convenience, Android 4.2 allow user edit lock screen widgets in lock screen. As long as we long press the widget and hold on, then dran it down to the edit area.

Samsung Galaxy S4 Data Recovery

Samsung Galaxy S4 is not only a smart phone, but also a multi-media terminal device, we often use it to take photos, videos, listen music, and search on Internet. Based on past experience, data loss from Samsung Galaxy phone is common. And Samsung Galaxy S4 will be more and more with the widely use. Photo deletion, factory resetting, memory formatting,etc can cause Samsung Galaxy S4 Data Recovery.

How to recover data from Samsung Galaxy S4? We can finish it by a Android Data Recovery tool.




Android Data Recovery-if you lose data from Android and the mostly data are gone then you probably need this software. Not only deleted data, the software can also recover deleted formatted data or inaccessible due to memory error in Android devices. the function of preview in the tool makes you to view the thumbnails before you retrieve. It supports almost all brands of android device, such as Samsung, Sony, HTC,Motolora etc.You can learn more from here:http://www.any-data-recovery.com/topics/mobile-devices/android-recovery.html

Above are some tips for Samsung Galaxy S4, I think there are more tips for this phone, I am waiting for your share.