[SOLVED] Android Phone Enginnering Mode! Need information, Help

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rusty47

rusty47

Bethrezen
Aug 26, 2010
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www.coroflot.com
Salam,

I need some help and information regarding the engineering mode in android phones.
Is it Possible that a Android phone don't have a stock recovery menu, no fast boot mode, no download mode?? if so thn how to access any kind of engineering mode? is there any other way? is it possible the phone manufacturer can restrict these modes??

thanks!
 
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murtaza12

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Oct 27, 2011
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rusty47 said:
Salam,

I need some help and information regarding the engineering mode in android phones.
Is it Possible that a Android phone don't have a stock recovery menu, no fast boot mode, no download mode?? if so thn how to access any kind of engineering mode? is there any other way? is it possible the phone manufacturer can restrict these modes??

thanks!
Click to expand...
It depends on the phone.

Some OEMs, like Sony for example, don't have stock Android recovery. However not having fastboot seems a bit far fetched. All phones have some method of flashing firmwares, whether stock or custom.
 
rusty47

rusty47

Bethrezen
Aug 26, 2010
339
0
21
Karachi
www.coroflot.com
murtaza12 said:
It depends on the phone.

Some OEMs, like Sony for example, don't have stock Android recovery. However not having fastboot seems a bit far fetched. All phones have some method of flashing firmwares, whether stock or custom.
Click to expand...
thanks for reply! Maybe you have seen my other post regarding Aquos Xx3, Im actually talked about this phone! its sharp branded by softbank japan

it has no recovery! no fast boot nothing in it! I can access debug mode in dev option! it also have a OEM unlock boot loader option there. If I use adb reboot recovery or adb fastboot recovery! the phone just reboot and dont enter in any mode!! I found an stock OTA but I cant flash it as nothing work!!
 
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murtaza12

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Oct 27, 2011
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rusty47 said:
thanks for reply! Maybe you have seen my other post regarding Aquos Xx3, Im actually talked about this phone! its sharp branded by softbank japan

it has no recovery! no fast boot nothing in it! I can access debug mode in dev option! it also have a OEM unlock boot loader option there. If I use adb reboot recovery or adb fastboot recovery! the phone just reboot and dont enter in any mode!! I found an stock OTA but I cant flash it as nothing work!!
Click to expand...
Possibly restricted by the OEM for that specific variant.

Have you tried any of the button combos?

Power + Vol Down or Power + Vol Up
 
rusty47

rusty47

Bethrezen
Aug 26, 2010
339
0
21
Karachi
www.coroflot.com
Button Combo don't work! this combo works only on P1 model which is Global version. VPN method of getting OTA update also don't work on my model, cus it check the softbank sim card! is there any way to trick this sim check! ?? even there is no sim card in the phone! and its connected to a wifi! it always give sim card error for software update!
 
rusty47

rusty47

Bethrezen
Aug 26, 2010
339
0
21
Karachi
www.coroflot.com
Its a sim unlocked phone! I checked it before buying! I'm using my Zong data sim in it and also tested the calling too! 4g also work.
but for some reason it always give error for USIM when try to software update in settings.

this problem exist even outside PK.
 
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murtaza12

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Oct 27, 2011
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rusty47 said:
Its a sim unlocked phone! I checked it before buying! I'm using my Zong data sim in it and also tested the calling too! 4g also work.
but for some reason it always give error for USIM when try to software update in settings.

this problem exist even outside PK.
Click to expand...
It's like AT&T phones, you can only get software updates if there's a valid AT&T SIM card in it.

Unfortunately you run into these sort of issues with region specific models and there's not much you can do about it.
 
abobobilly

abobobilly

$heeda Pastol ™
Dec 3, 2008
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[MENTION=24598]rusty47[/MENTION], Can you confirm if the IMEI on that device matches it's box, or the phone itself (If you have a way to confirm)? Please. (You can also use websites like www.imei.info to check for that).

The reason why I ask you this, is because there are many shopkeepers use paid services (which come with their own devices) to write duplicate IMEI on phones to break carrier restrictions. There is kinda like buying a brand new IMEI, which could be for same phone as you have or a similar phone, or an entirely different phone. (Excuse me for not remembering the name of any device/service as it was long ago). This will also give you the USIM error even when the phone is working perfectly fine.

EDIT: Can you also confirm if the software installed on the phone has any carrier specific bloatware installed on it?
 
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rusty47

rusty47

Bethrezen
Aug 26, 2010
339
0
21
Karachi
www.coroflot.com
The imei.info confirms the model and brand. and yes it has many bloatware Japanese app installed. I dont think its software is tampered in anyway. Maybe Murtaza is right! I have seen other people on you tube and other forum which have the same issue! thy cant skip this check to get the updates. what more problematic is this phone dont have any recovery..


abobobilly said:
@rusty47, Can you confirm if the IMEI on that device matches it's box, or the phone itself (If you have a way to confirm)? Please. (You can also use websites like www.imei.info to check for that).

The reason why I ask you this, is because there are many shopkeepers use paid services (which come with their own devices) to write duplicate IMEI on phones to break carrier restrictions. There is kinda like buying a brand new IMEI, which could be for same phone as you have or a similar phone, or an entirely different phone. (Excuse me for not remembering the name of any device/service as it was long ago). This will also give you the USIM error even when the phone is working perfectly fine.

EDIT: Can you also confirm if the software installed on the phone has any carrier specific bloatware installed on it?
Click to expand...
 
rusty47

rusty47

Bethrezen
Aug 26, 2010
339
0
21
Karachi
www.coroflot.com
Yesterday I found we can access EDL mode on this phone by ADB reboot EDL, QPST also detect it on COM port! the only missing part from here is the Stock Firmware which QPST use.
 
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murtaza12

Global Moderator
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Oct 27, 2011
10,758
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rusty47 said:
Yesterday I found we can access EDL mode on this phone by ADB reboot EDL, QPST also detect it on COM port! the only missing part from here is the Stock Firmware which QPST use.
Click to expand...
Be very careful with QPST, one bad flash and you'll have an unrecoverable hard brick.

Besides, EDL mode requires a different kind of stock ROM than the normal ones that are fastboot flashable, so there's a very small chance you'll find one.
 
rusty47

rusty47

Bethrezen
Aug 26, 2010
339
0
21
Karachi
www.coroflot.com
murtaza12 said:
Be very careful with QPST, one bad flash and you'll have an unrecoverable hard brick.

Besides, EDL mode requires a different kind of stock ROM than the normal ones that are fastboot flashable, so there's a very small chance you'll find one.
Click to expand...
Is it possible take a full OS backup! Nandroid backup! of this stock phone.? without rooting or twrp!
 
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