Solutions and tips for fix problems at SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235). Samsung Galaxy Tab 4 7.0 is the tablet with Android operating system using 7 inches LCD screen. Basically there are three options that we can choose for GTab 4 7.0. There are SM-T230 is Samsung Galaxy Tab 4 7.0 without Internet or GSM slot, we can use all features except GSM call and Internet connection, we have to use Wifi to access Internet. The other one is SM-T231 which have GSM 3G Internet data network, and the other one is SM-T235 with GSM 3G and LTE at this Samsung Galaxy Tab 4 7.0 family.


What is Advantage of  SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) Specifications:

Wifi Data Only (Gtab 4 7.0 SM-T230)
GSM 3G (Gtab 4 7.0 SM-T231)
GSM 3G & 4G LTE (Gtab 4 7.0 SM-T235)
LCD 7 inches
Internal memory 8GB or 16GB
RAM 1.5 GB
External memory microSD, up to 32 GB
Main Camera 3.15 MP, 2048 x 1536 pixels
Processor Quad-core 1.2 GHz
Operating system Android OS, v4.4.2 (KitKat)
Battery Li-Ion 4000 mAh



How to Fix or Problem Solving for Recovery SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) hang or not responding or malfunctions or stuck or freezing or bricked ?

With 7 inches LCD screen at SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235), we can play games or watch movie or doing office work more easily and fun. There are many applications that we can add more at our tablet from Google Play Store. There are many of them which is free to download and some of them need to be purchase. However, we should understand that some applications from Google Play Store are not compatible with our SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235), some of them also have malware or can make our tablet become hang or stuck or bricks or broken or frozen or boot loop or hang or  LCD touch screen not responding. At this time we should try to do force soft reset or force reboot or restart to delete some temporary files or caches files from internal memory. If the problem still happen, then we should have to do hard reset or master format.


How to Force Soft Reset or Reboot or Restart SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) ?

If our tablet get trouble like hang or freeze or LCD touch screen not responding then we should force soft reset or force restart SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) using press and hold POWER Button several second until the phone turn off and restart by itself. If the tablet still response with our finger touch, then we can do soft reset or reboot by press and hold POWER Button for several seconds until pop-up menu appear, then choose Reboot / Restart the tablet. This process is save to do anytime, because our data will not removed or still available at SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235),  only some temporary files or caches will be remove when doing soft reset or reboot.


#Option 1, How to Hard Reset SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) with software menu:

  1. Turn on  SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235)
  2. Make sure SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) battery already charge properly
  3. Go to menu: Setting > General tab > Backup & Reset > Factory data reset > Reset device
  4. Choose Erase Everything
  5. SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) will do the process to Master Reset to Factory Default



#Option 2, How to Hard Reset SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) with Hardware key button:

  1. Make sure the battery of  SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) charge properly
  2. Turn off  SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235)
  3. Press and hold together : Power Button + Volume Up + Home Button 
  4. If the button at number 3 not work, we can try with press and hold together Power Button + Volume Up Button
  5. If we see the menu at LCD screen, choose Wipe Data/Factory Reset with Volume Button to select and use Power Button to ok or enter.
  6. The SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) will doing the process of restoring to factory default.


How to Restore and Reinstall Clean Android Operating system / firmware at SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) ?

After using and download many applications from Google Play Store, sometime the installed applications can make the operating system or firmware become corrupt. There are many possible sign such as not responsive or can not boot normally. At this situations, we should have to reinstall clean factory default Android operating system at our SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235). We have to know, that the factory default Android Kitkat operating system file source already saved inside  our SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) ROM or Internal memory, so we does not have to connect our tablet to any gadget or device when we want to reinstall the OS. Just follow the hard reset steps above, then the clean factory default SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) Android operating system or firmware will reinstall automatically. Please remember to always backup all important data before doing hard reset or reinstall the operating system, because all important data and installed applications will be removed or wipe from this tablet.


How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) forgot password code or security lock screen pattern or pin (lost password)?

We are very recommended to protect our tablet for give more security protections when the tablet away from us. Usually after use several time, we will have many pictures or data which maybe confidential. We can choose several options to protect, but usually we are recommended to use screen lock pattern protection for faster access. Some user also like to use Password Pin or other options that available at SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235). The problem happen when we are forget the answer for security screen lock pattern or password pin protection at our tablet. But we still can try to bypass or unlock screen lock protection using Google account or Gmail username and password. Please try to give several time wrong answer continuously until the tablet locked or freeze for several seconds. At this moment we will find Forgot Password / Pattern button to help us bypass or unlock forgotten security protection using Gmail account that we have already sign-in at the first time we use this tablet. If we can not access Gmail account, then we should have to do hard reset or master format above.


How to Improve Performance SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) to make run more faster?


Basically the specifications at SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) already fast to run many applications, with 1.5GB RAM we can have many multitasking application running together. But we have to know that our tablet still have limitation, if we use so many applications especially which run in the background, then maybe our tablet will become slowly. As we know, some applications that we installed from Google Play Store will keep run in the background to wait some command or internet data access. All application will consume RAM and processor resources, if there are many applications, then more RAM and process should use by them, and make our SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) become slowly. Therefore we can try to reduce installed applications and choose only important one. Since we can easily install it again later, then choose what we should install wisely. If we want to make our SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) performance faster again like new, then we have to do hard reset or master format.


Is That Any Secret Code for Doing Format SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) ?

This is only available for specific type and have dialer phone pad. We can try to use secret code for doing hard reset SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) is *2767*3855#. But please remember to always be careful typing that code, because the SAMSUNG GALAXY TAB 4 7.0 (SM-T230/SM-T231/SM-T235) will doing hard reset and remove all data and installed applications.


Latest Discussions & Share Information:

[Q] Samsung sm T230nu unable to reset factory service is there a iso Program to reboot all of samsungs
[A] Hi, if you can not performing hard reset using hardware button combination key like steps at #option 2 above, then maybe some other hardware troubles happen. Please bring your tablet to Samsung authorized service center for further hardware check.

[Q] My samsung galaxy tab 4 sm-t230 stuck on welcome accessibility and when I press the accessibility it doesn't respond. i already factory reset and wipe cache in the safe mode. Still I cant press the start and accessibility. It doesn't respond. Please help thank you
[A] Hi, usually after finish hard reset, your Samsung Galaxy Tab 4 will be reformat to factory default. Everything will work like new. Perhaps some hardware troubles happen at your tablet, please consult with Samsung authorized service center for further check.

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