Tips and tricks to fix SAMSUNG GALAXY J7 MAX (G615F) problems. Maximize screen size of J7 family. SAMSUNG GALAXY J7 MAX (G615F) design with 5.7 inches LCD screen with Full HD resolutions. This phone have dual simcard slots with 4G LTE fast internet data broadband. When the first time release in the market SAMSUNG GALAXY J7 MAX (G615F) already use Android Nougat with capabilities to get OTA (over the air) firmware update for fix some bugs and improve other features. Unfortunately the battery of SAMSUNG GALAXY J7 MAX (G615F) is not too big, this phone only have 3300 mAh battery, we expect using MAX name will make SAMSUNG GALAXY J7 MAX (G615F) get bigger battery performance. Find how to solve some troubleshot of SAMSUNG GALAXY J7 MAX (G615F) at


What is Advantage of SAMSUNG GALAXY J7 MAX (G615F) Specifications:

GSM 3G HSDPA with 4G LTE, Single or Dual Simcard
LCD 5.7 inches
Internal memory 32 GB with 3 GB RAM
External memory microSD maximum 256 GB
Main Camera 13 MP, f/1.7, autofocus, LED flash
Front Camera 13 MP, f/1.9 with LED flash light for video conference & selfie photography
Processor Octa-core 2.4 GHz Cortex-A53
Operating system Android Nougat version 7
Battery Li-Ion 3300 mAh



How to backup data or Contact at SAMSUNG GALAXY J7 MAX (G615F)?

We can use microSD external card to copy or move important files using File Manager applications. If our SAMSUNG GALAXY J7 MAX (G615F) has already signed in with Google account, by default our contact will be synchronize in the background to Google server. Please make sure we check all contact at Google contact server using Internet browse to make sure backup is done.


Follow this steps to do BACKUP & RESTORE procedure for all important data inside SAMSUNG GALAXY J7 MAX (G615F) 


#Option 1, How to Hard Reset SAMSUNG GALAXY J7 MAX (G615F) with software menu:

  1. Turn on this phone
  2. Make sure SAMSUNG GALAXY J7 MAX (G615F) 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 J7 MAX (G615F) will do the process to Master Reset to Factory Default


hard reset samsung j7 max g615f


#Option 2, How to Hard Reset SAMSUNG GALAXY J7 MAX (G615F) with Hardware key button:

  1. Make sure the battery of SAMSUNG GALAXY J7 MAX (G615F) charge properly or battery have more then 50% capacity
  2. Turn off SAMSUNG GALAXY J7 MAX (G615F)
  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 J7 MAX (G615F) will do the process of restoring to factory default.


How to Unlock or Fix or Bypass or Solutions for SAMSUNG GALAXY J7 MAX (G615F) forgot password code or security lock screen pattern or pin (lost password)?

What is very important at this phone is internal memory and camera result. The internal memory of SAMSUNG GALAXY J7 MAX (G615F) is 32 GB, but we will not get full free storage, because some files size will use for operating system and some Samsung factory default applications. The camera main and front camera have same 13 megapixel which will give better camera result. We have to give security protections to secure our private photo or video and also keep save all important data when our SAMSUNG GALAXY J7 MAX (G615F) away from us or stolen or lost. This phone have fingerprint which is not run at the first time we turn on SAMSUNG GALAXY J7 MAX (G615F). We have to activate fingerprint from menu Setting and register our finger hand. We also can use other factory default protections like screen lock pattern or password pin protections. The problems will be happen when we forgot security answer or can not open with finger scan, what should we do?

Do not worry because we can unlock or bypass forgotten screen lock pattern or password pin protections at SAMSUNG GALAXY J7 MAX (G615F) use registered Google account. Please turn ON our phone, when it ask for security answer, then we can try to give several time wrong answer continuously until our SAMSUNG GALAXY J7 MAX (G615F) freezing or locked 30 seconds, at this time we can find Forgot Password / Pattern button, press this button to unlock using Gmail account that we have already sign-in before. If we can not access our Google account, then we have to do hard reset using hardware button combination key.



This is the way to help for unlock or bypass forgotten security protection at SAMSUNG GALAXY J7 MAX (G615F). Although we are sure about our security protection, but sometime we may forget about the right answer. Please note, when we give security protection at our SAMSUNG GALAXY J7 MAX (G615F), it also give step to put our own PIN / PASSWORD as BACKUP PASSWORD / 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.


Is That Any Secret Code for Doing Format SAMSUNG GALAXY J7 MAX (G615F) ?


There is no secret hidden code for SAMSUNG GALAXY J7 MAX (G615F) to make it back to factory default. Do the options above to hard reset it.


How to Format or Erase Phone Memory at SAMSUNG GALAXY J7 MAX (G615F) ?

There are two phone memory type at SAMSUNG GALAXY J7 MAX (G615F), one is internal memory and the other one is external memory. If we want to format internal memory phone then we have to do hard reset or reformat the operating system of SAMSUNG GALAXY J7 MAX (G615F) as well. Please use menu setting to do hard reset or reformat using #option 1 above, but make sure to give checkbox mark at Erase Internal SD card / Internal storage. Then it will reformat the factory default operating system and remove or erase any data inside internal memory.

To reformat or wipe or erase all data at external memory, we can use menu Setting > Storage > Erase Internal Storage / SD Card. Please always make sure all data has already backup before reformat or wipe everything, because it is hard to recover formatted / wiped data at internal or external storage. There are dedicated slot for external memory which can use using MicroSD simcard. The maximum can use is 256 GB MicroSD capacity.


How to Make Battery of SAMSUNG GALAXY J7 MAX (G615F) Stronger, Life Longer and Not Fast to Drain ?

Although the battery is not as big as Samsung Galaxy J7 Pro, but SAMSUNG GALAXY J7 MAX (G615F) still have enough battery to make this phone run for one day without recharge. It have 3300 mAh battery capacity, we expect this phone have about 4000 mAh battery capacity. However, some users maybe need more longer time to work with this battery. We have to do some adjustment if we want to watch full movie or playing games several hours or working hard with this phone. Please make LCD screen brightness as low as possible, it can help to reduce battery usage. Please turn off all not use connections at this phone such as GPS or Bluetooth or Wifi, because they still need battery power to standby. Better to turn off all connections and choose to active when we need to use that. For some apps which need to know our locations, please turn ON GPS Battery saving mode from menu Setting > Locations.

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