It is very important to know that the models can be unlocked and which ones can not be unlocked. The SL3 nokia that can be unlocked are the ones that have 15 Digits, the 20 digit ones can not be unlocked, so your phone does not appear in the following list, do not buy the unlocking service.

 

Nokia SL3 Models

100 (RH-130)3600 Slide (RM-352)
100 (RH-131)3710 (RM-509, RM-510)
101 (RM-769)3711a-1 (RM-511)
2690 (RM-635)3720 Classic (RM-518)
2700 Classic (RM-561)500 (RM-750
2710c (RM-586)5130 XpressMusic (RM-495)
2730 Classic (RM-578, RM-579)5230 (RM-588, RM-593, RM-594)
302 (RM-813)5250 (RM-684)
5310 XpressMusic (RM-303)5330 (RM-479, RM-478, RM-504)
5630d (RM-431)5730s XpressMusic (RM-465)
5800d-1 (RM-356)603 (RM-779)
600 (RM-701)6120C (RM-243)
6300 (RM-217)6303 Classic (RM-443)
6303ci (RM-638)6500 Classic (RM-265)
6500 Slide (RM-240)6700 Classic (RM-470)
6730 Classic (RM-566)6700s (RM-576)
6750 Classic (RM-381)6710 Navigator (RM-491)
6760s (RM-573)6720 Classic(RM-424)
6790s (RM-492)6730 Classic (RM-547)
700 (RM-670)701 (RM-774)
702T (RM-730)7020 (RM-497)
7230 (RM-604)Asha 200 (RM-761, RM-762)
808 (RM-807)Asha 201 (RM-799)
Asha 300 (RM-781)C1-01 (RM-607, RM-608)
Asha 303 / 306C1-02 (RM-643, 644)
C2-02 (RM-692)C1-03 (RM-607)
C2-02.1 (RM-693)C2-00 (RM-704)
C2-03 (RM-702)C2-01 (RM-721)
C2-05 (RM-724, RM-725)C2-06 (RM-702)
C2-07 (RM-692)C3-00 (RM-614)
C3-01 (RM-640)C3-01.5 (RM-776)
C5-03 (RM-697)C5 (RM-645)
C6-01 (RM-601)C6 (RM-612)
C7-00 (RM-675)E5-00 (RM-632, RM-634)
E52 (RM-469)E55 (RM-482)
E6-00 (RM-609)E63 (RM-437, RM-449)
E66 (RM-343)E7-00 (RM-626)
E71 (RM-346, RM-357)E72 (RM-529, RM-530)
E73 (RM-658)N8-00 (RM-596)
N86 (RM-484, RM-485, RM-486)N9-00 (RM-696)
N97-mini (RM-555)N97 (RM-505, RM-506, RM-507)
X2-00 (RM-618)X2-01 (RM-709)
X2-01.1 (RM-717)X2-03 (RM-709)
X2-05 (RM-772)X3-00 (RM-540)
X3-02 (RM-639)X5-01 (RM-627)
X6 (RM-551, RM-559)X7-00 (RM-707)
X7-00.1 (RM-659) 
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