samsung s4 l720 not flash - GSM-Forum

himanshucbr · 04-24-2016, 12:12

Welcome to Octoplus/Octopus Box Samsung software version 2.2.5
-----------------------------------------------------------------------------------
To connect SPH-L720 phone you have to perform the following steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
6. Go to dial window.
7. Enter "*#0808#" number.
8. Select "DM+Modem+ADB".
9. Press Home button.
10. Go to dial window.
11. Enter "*#9090#" number.
12. Set "Diag config" to "[1]DM/DUM over HS-USB" value.
13. Restart phone.
14. Press "Read Info" in software.
Selected firmware file:
L720VPUAMDC_L720SPTAMDC_L720VPUAMDC_HOME.oct
Operation was canceled
Please put the phone into Download Mode and connect USB cable.
To put SPH-L720 into Download Mode, You have to perform the
following steps:
1. Reconnect the battery.
2. Press and hold "Volume-" + "Home" + "Power ON" keys.
3. When phone turns on, press "Volume+" key.
Found phone on
Firmware write started.
Writing Firmware Failed
Performed by 2.2.5 software version

Octopus box · 04-25-2016, 10:26

Hello.

What is exact state of your phone? Why did You decide to reflash it?

04-24-2016, 12:12	#1 (permalink)
himanshucbr No Life Poster Join Date: Nov 2011 Location: INDIA Posts: 497 Member: 1697041 Status: Offline Sonork: 1609691 Thanks Meter: 67	samsung s4 l720 not flash Welcome to Octoplus/Octopus Box Samsung software version 2.2.5 ----------------------------------------------------------------------------------- To connect SPH-L720 phone you have to perform the following steps: 1. Disconnect USB cable from phone. 2. Go to Menu->Settings->More->About Device. 3.Tap on "Build number" 7 times to enable developer options. 4. Go to Menu->Settings->More->Developer options. 5. Turn on "USB Debugging" option. 6. Go to dial window. 7. Enter "#0808#" number. 8. Select "DM+Modem+ADB". 9. Press Home button. 10. Go to dial window. 11. Enter "#9090#" number. 12. Set "Diag config" to "[1]DM/DUM over HS-USB" value. 13. Restart phone. 14. Press "Read Info" in software. Selected firmware file: L720VPUAMDC_L720SPTAMDC_L720VPUAMDC_HOME.oct Operation was canceled Please put the phone into Download Mode and connect USB cable. To put SPH-L720 into Download Mode, You have to perform the following steps: 1. Reconnect the battery. 2. Press and hold "Volume-" + "Home" + "Power ON" keys. 3. When phone turns on, press "Volume+" key. Found phone on Firmware write started. Writing Firmware Failed Performed by 2.2.5 software version

04-25-2016, 10:26	#2 (permalink)
Octopus box Product Supporter Join Date: Oct 2009 Location: Romania, Bucharest Posts: 99,850 Member: 1146942 Status: Offline Sonork: 100.1587278 Thanks Meter: 27,413	Hello. What is exact state of your phone? Why did You decide to reflash it?