Solutions for SAMSUNG GALAXY GRAND 2 trouble or problems. Samsung know that their Galaxy Grand has success at the market, therefor they are now produce the second version named SAMSUNG GALAXY GRAND 2. The production code have two different name SM-G7102 for dual simcard support which is GSM GSM on together, the other one is SM-G7105, this is single simcard with 4G LTE support. The basic specification are not different. The SAMSUNG GALAXY GRAND 2 have 5.25 inches LCD screen with Quad Core processor at 1.2Ghz clock speed. For supporting big LCD screen and fast processor, then Samsung need to give bigger battery at 2600mAh, but as we know that this size is not too big, but maybe enough for daily activity.

 

What is Advantage of SAMSUNG GALAXY GRAND 2 (SM-G7102 / SM-G7105)  Specifications:

GSM 3G HSDPA with Dual Simcard support (for SM-G7102)
GSM 4G LTE (for SM-G7105)
LCD 5.25 inches capacitive touch screen
Internal memory 8 GB
RAM 1.5 GB
Main Camera 8 MP, 3264 x 2448 pixels, autofocus
Front camera for Video conference
Processor Quad-core 1.2 GHz
GPU Adreno 305
Operating system Android OS, v4.3 (Jelly Bean)
Battery Li-Ion 2600 mAh

 

 

How to Fix or Problem Solving for Recovery SAMSUNG GALAXY GRAND 2 (SM-G7102 / SM-G7105 hang or not responding or malfunctions or stuck or freezing or bricked ?

Internal memory of SAMSUNG GALAXY GRAND 2 (G7102/G7105) already big enough to save many applications. With Quad Core processor and 1.5RAM, we are sure this phone will not get problem while running applications from Google Play Store for more download. But because there are too many applications and developer which not very serious made the applications, sometime some applications can make problem after finish installing. The problem that can happen to our SAMSUNG GALAXY GRAND 2 (G7102/G7105) like hang or stuck or bricks or blank or frozen or LCD touch screen not responding. When we get this problem, we should try to force soft reset or reboot or restart SAMSUNG GALAXY GRAND 2 to delete any temporary files and cache. Sometime temporary files use by running applications to do their work, but the trouble temporary files could make the application work not normal, than is why we need to refresh the temporary files or cache using soft reset or reboot. If the problem still happen, then we should try to do hard reset with master format.

 

How to Force Soft Reset or Force Reboot or Restart SAMSUNG GALAXY GRAND 2 (G7102/G7105)  ?

The SAMSUNG GALAXY GRAND 2 (G7102/G7105) have removable battery, this will make easier to soft reset when the phone get hang or stuck in the middle of applications. We can remove the battery from SAMSUNG GALAXY GRAND 2 (G7102/G7105) and put it again at the right locations, press POWER to Turn ON this phone again, then we already finish do soft reset or reboot or restart. When the phone still response with our finger touch at LCD, then doing reboot or restart can be done with pressing and hold POWER button until the LCD will appear pop-up menu to Reboot or Restart the SAMSUNG GALAXY GRAND 2 (G7102/G7105). This process will not remove any important data or installed application, so we can do this step anytime we need. Usually for the SAMSUNG GALAXY GRAND 2 (G7102/G7105) which sometime have low memory problem, can be solve with this step.

 

#Option 1, Hard Reset SAMSUNG GALAXY GRAND 2 (G7102/G7105) with software menu:

If we can access the LCD menu, do with this step

  1. Turn on SAMSUNG GALAXY GRAND 2 (G7102/G7105)
  2. Make sure you already backup the important data
  3. Go to menu:  Setting 
  4. Choose the Account tab
  5. Choose Backup and reset > Factory Data Reset > Reset device
  6. Choose : Erase Everything
  7. The  SAMSUNG GALAXY GRAND 2 (G7102/G7105) will doing the factory data reset.

 

#Option 2, Hard Reset SAMSUNG GALAXY GRAND 2 (G7102/G7105) with Hardware Key Button:

  1. Turn off SAMSUNG GALAXY GRAND 2 (G7102/G7105)
  2. Make sure the important data already backup
  3. Make sure tha battery fully charge
  4. Press and Hold together Volume Up Button + Home Key Button + Power Button for several seconds
  5. You will see the menu appear in the SAMSUNG GALAXY GRAND 2 (G7102/G7105) screen
  6. Choose at menu Wipe Data / Factory Reset with Volume Up or Down to navigate
  7. Press Power Key to select or enter.
  8. Select Delete User Data

 

#Option 3, Hard Reset SAMSUNG GALAXY GRAND 2 (G7102/G7105) with secret code key: 

  1. Turn on SAMSUNG GALAXY GRAND 2 (G7102/G7105)
  2. Backup your important data
  3. Dial *2767*3855#
  4. Please be careful, because all data will removed from SAMSUNG GALAXY GRAND 2 (G7102/G7105) when access that code.

 

How to Restore and Reinstall Clean Android Operating system / firmware at SAMSUNG GALAXY GRAND 2 (G7102/G7105) ?

When the SAMSUNG GALAXY GRAND 2 (G7102/G7105) start trouble, we will find the phone have several strange action like easy to hang, lcd touch screen not responsive, the phone too hot at high temperature at the body, or some other problem. At this moment, maybe our SAMSUNG GALAXY GRAND 2 (G7102/G7105) operating system get damage or broken, so we need to reinstall or restore the clean and factory default setting Android operating system or firmware. At first, we need to know that the clean factory default Android operating system or firmware file source already saved safely inside SAMSUNG GALAXY GRAND 2 (G7102/G7105) ROM. This file source will not remove at any standard situation such as format or clean all data. To reinstall the file source from SAMSUNG GALAXY GRAND 2 (G7102/G7105) ROM, just follow the simple step to hard reset above, then the clean and default operating system will be reinstall by itself. Please remember, doing hard reset or reinstall Android operating system will remove all important data and installed applications. That is why we need to do backup first before performing hard reset.

 

How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY GRAND 2 (G7102/G7105) forgot password code or security lock screen pattern or pin (lost password)?

Maybe some user does not use any security protection for their phone, but we are really suggest all SAMSUNG GALAXY GRAND 2 (G7102/G7105) user give security protection like screen lock pattern or password pin protections. The problem happen when we forget about security protection answer. But we do not have to worry, because Android have simple step to bypass or unlock the forgotten security protections answer. Please try to type or swipe with any wrong password or pattern, the phone will locked or frozen for several seconds. At this step we will find Forget Password / Pattern button, press this button for bring us unlock the forgotten security protection using Google account or Gmail account. If we cannot access Google or Gmail account at this SAMSUNG GALAXY GRAND 2 (G7102/G7105), then we need to do hard reset or master format.

 

What is PIN BACKUP at SAMSUNG GALAXY GRAND 2 (G7102/G7105) ?

Why we have to use Pin Backup at our phone, please read more. This is safety procedure to help up unlock forgotten security protection at our phone. When we give the security protection at our SAMSUNG GALAXY GRAND 2 (G7102/G7105), it also give step to put our own PIN as BACKUP PIN. This backup PIN use to bypass or unlock forgotten security code later. Use above steps to unlock forgot password or screen lock pattern security protection using Google account or Gmail username and password.

 

How to Improve Performance SAMSUNG GALAXY GRAND 2 (G7102/G7105) to make run more faster?

Some user of SAMSUNG GALAXY GRAND 2 (G7102/G7105) will have slow problem after use normally for several months. Usually this situation happen because there are a lot of applications run in the background together. If we are installing applications from Google Play Store, some applications will run automatically in the background to wait some push notifications or other work. This applications need some memory and of course also will get some processor resource when they work. So if at SAMSUNG GALAXY GRAND 2 (G7102/G7105) there are many applications like this, then the phone will become slowly. Please try to remove some not use applications. If we need to make the SAMSUNG GALAXY GRAND 2 (G7102/G7105) performance back to faster again, then we need to perform hard reset or master format.

 

Is That Any Secret Code for Doing Format SAMSUNG GALAXY GRAND 2 (G7102/G7105)?

The secret code for doing hard reset SAMSUNG GALAXY GRAND 2 (G7102/G7105) is *2767*3855#. But please remember to always be careful typing that code, because the SAMSUNG GALAXY GRAND 2 (G7102/G7105) will doing hard reset and remove all data and installed applications.

 

Latest hard-reset.org Discussions & Share Information:

[Q] dear sir

plz my mobile Samsung G 7102

plz resolve the problem
[A] Hi, please try to reformat your Samsung Grand 2 using hardware button combination key like steps at #option 2 above. It will reformat your phone operating system from beginning. All your downloaded applications will be removed as well.
 

[Q] Guys,
I have rooted my android phone (Samsung galaxy grand 2 SM-G7102) successfully.
But after rooting my device I cannot update phone software via =>settings>about device>software update.
It says “the operating system on your device has been modified in an unauthorised way. Try downloading software updates using Samsung kies on your pc or visit a customer service centre”.
Is there any possibility to fix it myself?
[A] Hi, sorry we can not give good answer for rooting or custom tweak at your Samsung Galaxy Grand 2. Because there are some not standard possibilities can be happen at your phone. For safety reasons, please try to bring your Samsung Galaxy Grand 2 to Samsung authorize service center.
 
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