Second Method to one numbers you can dial.#78# and this you to an operation menu and your device becomes unlocked and then you may switch your SIM card and use your phone that is best and searching for your specific carrier, phone brand and options for unlocking your phone is easy and your Phone Not Allowed MM#6. Hey,I have a blackberry 9300 curve and it is saying phone not allowed MM6.please help me unlock it MY PRD:38284-016 IME:15677. Re: Free Blackberry Unlocking Codes With'Imei +prd Code';no More Mep Code(NOT OS10) by femi4: 9:21pm On Jun 05, 2013.
Mobile handsets are sometimes 'locked' to the network from which the handset is purchased. This means the handset will usually only work when used with that particular provider.
If you want to switch to a different provider but keep your existing handset, you may need to get it unlocked.
You may also need to get your handset unlocked if you want to use a local SIM card in your handset when travelling abroad to avoid roaming charges.
Handset locking policies can differ from provider to provider or can depend on the type of device and package being sold to you.
For example, all of EE’s and BT Mobile's, and most of Vodafone’s handsets are sold locked to their networks. Tesco Mobile also locks most of its pay-as-you-go handsets and some of its pay monthly handsets. Sky's, Three’s, Virgin Mobile's and O2's handsets are sold unlocked.
You can find out whether your handset is locked by asking your mobile phone provider, or by trying a different network SIM card in it.
If you get a message that indicates there is a problem and you cannot make calls, it's possible that your phone may be locked.
If your handset is locked you can ask your provider to unlock it for you. Phones reported as lost or stolen will not be unlocked.
Mobile providers have different policies and processes for unlocking phones. For example, some will only unlock your mobile phone after a certain period of time has passed and will charge a fee, while some will unlock your phone at any time for free. If you are on a pay monthly contract and are outside your minimum contract period, most providers will unlock your phone for free.
Some handsets can be unlocked relatively quickly. For other handsets, unlocking may take longer, particularly if your provider has to contact the handset manufacturer to get the unlocking code.
Details of your provider’s handset unlocking procedure will usually be available on their website.
What if I am no longer with my provider?
You may wish to unlock your handset after you have left your provider. Most providers offer this service. as long as the request to unlock is made by the former account holder of the handset. Check your provider's website or speak to their customer service team to find out the process you need to follow.
Knowing whether or not your Samsung phone is network locked can come handy in certain situations. One such situations can be the time when you’re trying to buy a preowned phone. Learn what network unlocked means and other things related to it.
What does network unlocked mean?
Samsung devices are usually made-to-order by carriers. This means that Samsung build their devices according to specifications of carriers that buy them. In some cases, “global” or “universal” or “international” Samsung devices may be built for those wanting to have a generally “generic” device. Carrier-branded devices show the logo of the carrier and is generally custom made for its services. Thus, you’ll see that Verizon Samsung devices have the Verizon logo on them as well as Verizon proprietary apps installed. A modified Android firmware by Verizon is also installed on the device, which is also tailored for Verizon specifications. Such specifications include Verizon-specific network configuration too. This means that the phone may not work with other networks. This is what network locked means. Fortunately, most Verizon devices are network unlocked these days so they may work right off the bat if you use them in compatible network.
How to check if your Samsung phone is network locked
There are two ways to check if your Samsung device is network locked or not.
Method 1: Insert a different SIM from another carrier
This is the easiest way to know if your Samsung device is network locked or not. SIM card is carrier-specific so if another one is inserted to your phone and shows one of the messages below, it’s not unlocked at all. Your Samsung phone is network locked if it shows these messages:
- SIM Network Unlock PIN
- Enter Network Lock Control Key
- Network Locked
In some cases, “Emergency calls only” will be shown on the status bar to indicate the same situation.
Once you inserted a valid SIM card to the phone, try to place a call and see what happens. Make sure to take note of the error if you get one. You can then use Google to search for the meaning of the said error. Normally, if the SIM card works and your phone has been unlocked properly, your first call should go through without a problem.
Method 2: Use the Phone dialer
For some select Samsung devices, dialing this code will show you if it’s network locked or not: *#7465625#
If your phone shows an a screen with these three items, check out the explanations below to know what each of them means:
[ ] Network lock
[ ] Subset lock
Unlock Phone Not Allowed Mm6
[ ] SP lock
If all three items are indicated as OFF, then your Samsung phone must be network unlocked.
If Network lock says ON, then your Samsung device is network locked.
If Subset lock is ON, then your Samsung device has to be unlocked and requires a code from the original carrier.
If SP lock is ON, then your Samsung device has to be unlocked and requires a code from the service provider. Some third party retail shops can provide you this code.
If nothing happens when you dial *#7465625# you can assume that your phone’s firmware does not allow the code, or its service menu has been disabled.
What network unlocked is NOT
Having a network unlocked device does not mean it’s fully compatible with any other networks out there. Network unlock is only a modification at the software level to allow the device to use another network. If your Samsung device is network unlocked but its hardware is not compatible with the network you’re trying to connect to, it will not work. Any Samsung device has a specific radio frequency so if the other network has a different frequency band, your phone won’t be able to “talk” to the tower at all.
A network unlocked Samsung phone also does not mean that all features in the device can work normally. For example, a lot of Verizon devices may not allow MMS or has trouble with mobile data when used outside Verizon networks. This is because Verizon’s software is coded differently and sometimes, there’s no way to modify them effectively.
Other reasons why a phone may be network locked
Aside from the fact that carriers may not voluntarily unlock their device, other factors may come at play.
Unsettled bills. This is a common reason for many network locked phones sold online. Some people may want to get rid of their phones and sell them online to ignorant users. The thing is, many of phones being sold online are carrier-branded with unpaid bills associated with them. In other words, the original owner may have intentionally tried to sell their phones despite the fact that they haven’t fully paid their subscription yet. If that’s the case, an unwitting buyer may find out too late that their purchased device may not be used in their own network because it still needs to be unlocked by the original carrier.
Phone Not Allowed Mm6 Unlocks
Blacklisted. In some cases, phones may be reported as stolen or lost by their original owner. This will prompt the carrier to blacklist the said device. If a device is blacklisted, it can no longer use any cellular services like texts, calls, or mobile data. Before you buy any preowned Samsung device, be sure to check if its IMEI (International Mobile Equipment Identity) number or ESN (Electronic Serial number) is blacklisted. You can either use a website to check it, or contact the original carrier.
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